# Use Case 4.1 Obtain one or more cards from a (Q)EAA Issuer

## Overview

| Aspect                       | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| ---------------------------- |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Summary**                  | The user adds one or more cards to their NL Wallet and/or updates one or more cards, by starting issuance flow on the issuer’s website,<br>approving the data request by the issuer using PIN, and then confirming issuance of the offered data with PIN.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| **Goal**                     | Obtaining and/or updating cards from a (Q)EAA Issuer.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Preconditions**            | <ul><li>The App holds the requested data.</li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| **Postconditions**           | <ul><li>Card(s) is/are issued to and stored in the App.</li><li>The disclosure event is added in the history.</li><li>The issuance event or card renewed is added in the history</li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| **Triggered by**             | <ul><li>User invokes a universal link that contains the URL to a (Q)EAA Issuer.</li><li>User scan a QR [UC9.9 Scan QR](UC2.1_SetupRemotePinAndBiometricsUnlock.md)</li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| **Additional Documentation** | <ul><li>[PIN Validation](../../architecture/use-cases/pin-validation.md)</li><li>[Issuance](../../architecture/use-cases/issuance-with-openid4vci.md)</li><li>[Disclosure Based Issuance](../../architecture/use-cases/disclosure-based-issuance.md)</li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| **Possible errors**          | <ul><li>No internet</li><li>Server unreachable</li><li>Session expired</li><li>Attributes missing</li><li>Known issuer error</li><li>Unknown issuer error</li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| **Logical test cases**       | <ul><li>[LTC2 Issuance fails](../logical-test-cases.md#ltc2)</li><li>[LTC4 User rejects issued attributes](../logical-test-cases.md#ltc4)</li><li>[LTC5 Disclosure based Issuance happy flow](../logical-test-cases.md#ltc5)</li><li>[LTC8 User rejects disclosure of attributes](../logical-test-cases.md#ltc8)</li><li>[LTC9 User continues after initially cancelling disclosure](../logical-test-cases.md#ltc9)</li><li>[LTC10 User continues after initially cancelling issuance](../logical-test-cases.md#ltc10)</li><li>[LTC11 cross-device generic issuance](../logical-test-cases.md#ltc11)</li><li>[LTC12 Renew card happy flow](../logical-test-cases.md#ltc12)</li><li>[LTC79 User has no cards to be issued](../logical-test-cases.md#ltc79)</li></ul> |

---

## Flow

| #       | Description                                                                                                                                                                                                                   | Next                                                                    |
| ------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------- |
| **1**   | **PRIMARY SCENARIO**                                                                                                                                                                                                          |                                                                         |
| **1.1** | **System retrieves data request from issuer and displays loading indicator**<ul><li>Message: Data is being retrieved</li><li>Actions: Stop</li><li>Duration: 0.0 - 1.0 seconds</li></ul>                                      |                                                                         |
| 1.1a    | User selects Stop                                                                                                                                                                                                             | 8                                                                       |
| 1.1b    | Case: Wallet does not contain requested attribute                                                                                                                                                                             | Error flow: Attributes missing                                          |
| 1.1c    | Error: No internet                                                                                                                                                                                                            | Error flow: No internet                                                 |
| 1.1d    | Error: Server unreachable                                                                                                                                                                                                     | Error flow: Server unreachable                                          |
| 1.1e    | Error: Unknown issuer error                                                                                                                                                                                                   | Error flow: Unknown issuer error                                        |
| 1.1f    | Error: Known issuer error                                                                                                                                                                                                     | Error flow: Known issuer error                                          |
| **1.2** | **System displays screen 'Share Details to get cards'**<ul><li>Message: Do you want to share details with [organization] to get your cards?</li><li>Actions: Share, View Data, Stop, Help</li></ul>                           |                                                                         |
| 1.2a    | User selects Share                                                                                                                                                                                                            | 1.3                                                                     |
| 1.2b    | User selects View Data                                                                                                                                                                                                        | 2                                                                       |
| 1.2c    | User selects Stop                                                                                                                                                                                                             | 8                                                                       |
| 1.2d    | User selects Help                                                                                                                                                                                                             | Go to: [UC9.6 Get help](UC9.6_GetHelp.md)                               |
| **1.3** | **System executes partial flow [PF2.4 Confirm a protected action](../partial-flows/PF2.4_ConfirmProtectedAction.md)**<ul><li>Cancelable</li></ul>                                                                                            |                                                                         |
| 1.3a    | Result: Confirm                                                                                                                                                                                                               | 1.4                                                                     |
| 1.3b    | Result: Cancel                                                                                                                                                                                                                | 8                                                                       |
| 1.3c    | Result: Back                                                                                                                                                                                                                  | Back                                                                    |
| **1.4** | **System retrieves cards for issuance, while displaying loading indicator**<ul><li>Data is being retrieved</li><li>Actions: Stop</li><li>Duration: 0.1 - 1.5 seconds</li></ul>                                                |                                                                         |
| 1.4a    | Case: Cards can be retrieved                                                                                                                                                                                                  | 1.5                                                                     |
| 1.4b    | Case: Issuer has no cards to issue to this user                                                                                                                                                                               | Error flow: No cards found                                              |
| 1.4c    | Error: No internet                                                                                                                                                                                                            | Error flow: No internet                                                 |
| 1.4d    | Error: Server unreachable                                                                                                                                                                                                     | Error flow: Server unreachable                                          |
| 1.4e    | Error: Session expired                                                                                                                                                                                                        | Error flow: Session expired                                             |
| 1.4f    | User selects Stop                                                                                                                                                                                                             | 8                                                                       |
| **1.5** | **System displays screen 'Add cards'**<ul><li>Message: Do you want to add/update these cards?</li><li>Lists cards to be added</li><li>Lists cards to be renewed</li><li>Actions: Add Card(s), View Data, Stop, Help</li></ul> |                                                                         |
| 1.5a    | User selects Add Card(s)                                                                                                                                                                                                      | 1.6                                                                     |
| 1.5b    | User selects View Data                                                                                                                                                                                                        | 7                                                                       |
| 1.5c    | User selects Stop                                                                                                                                                                                                             | 4                                                                       |
| 1.5d    | User selects Help                                                                                                                                                                                                             | Go to: [UC9.6 Get help](UC9.6_GetHelp.md)                               |
| **1.6** | **System executes partial flow [PF2.4 Confirm a protected action](../partial-flows/PF2.4_ConfirmProtectedAction.md)**<ul><li>Cancelable</li></ul>                                                                                            |                                                                         |
| 1.6a    | Result: Confirm                                                                                                                                                                                                               | 1.7                                                                     |
| 1.6b    | Result: Cancel                                                                                                                                                                                                                | 8                                                                       |
| 1.6c    | Result: Back                                                                                                                                                                                                                  | Back                                                                    |
| **1.7** | **System displays screen 'Card added'**<ul><li>Message: Card added</li><li>Actions: To my overview, Close</li></ul>                                                                                                           |                                                                         |
| 1.7a    | User selects To my overview                                                                                                                                                                                                   | Go to: [UC7.1 Show all available cards](UC7.1_ShowAllAvailableCards.md) |
| 1.7b    | User selects Close                                                                                                                                                                                                            | Go to: [UC7.1 Show all available cards](UC7.1_ShowAllAvailableCards.md) |
| 1.7c    | Error: No internet                                                                                                                                                                                                            | Error flow: No internet                                                 |
| 1.7d    | Error: Server unreachable                                                                                                                                                                                                     | Error flow: Server unreachable                                          |
| **2**   | **GET SHARING DETAILS**                                                                                                                                                                                                       |                                                                         |
| **2.1** | **System displays screen 'About sharing'**<ul><li>Message: About sharing with [organization]</li><li>Actions: Read about [organization], View card details (per card), Read the agreement, Back</li></ul>                     |                                                                         |
| 2.1b    | User selects About [organization]                                                                                                                                                                                             | 4                                                                       |
| 2.1a    | User selects View card details                                                                                                                                                                                                | 2.2                                                                     |
| 2.1c    | User selects Read the agreement                                                                                                                                                                                               | 5                                                                       |
| 2.1d    | User selects Back                                                                                                                                                                                                             | Back                                                                    |
| **2.2** | **System displays screen 'Requested data'**<ul><li>Message: # from [Card Title]</li><li>Requested data</li><li>Actions: Details Incorrect, Help, Back</li></ul>                                                               |                                                                         |
| 2.2a    | User selects Details Incorrect                                                                                                                                                                                                | 3                                                                       |
| 2.2b    | User selects Help                                                                                                                                                                                                             | Go to: [UC9.6 Get help](UC9.6_GetHelp.md)                               |
| 2.2c    | User selects Back                                                                                                                                                                                                             | Back                                                                    |
| **3**   | **WHEN DETAILS ARE INCORRECT**                                                                                                                                                                                                |                                                                         |
| **3.1** | **System displays screen 'Details incorrect'**<ul><li>Message: Details Incorrect?</li><li>Actions: Back</li></ul>                                                                                                             |                                                                         |
| 3.1a    | User selects Back                                                                                                                                                                                                             | Back                                                                    |
| **4**   | **GET ISSUER ORGANIZATION DETAILS**                                                                                                                                                                                           |                                                                         |
| **4.1** | **System displays screen 'About organization screen'**<ul><li>Message: About [Organization]</li><li>Organization data</li><li>Actions: Help, Back</li></ul>                                                                   |                                                                         |
| 4.1a    | User selects Help                                                                                                                                                                                                             | Go to: [UC9.6 Get help](UC9.6_GetHelp.md)                               |
| 4.1b    | User selects Back                                                                                                                                                                                                             | Back                                                                    |
| **5**   | **GET SHARING AGREEMENT DETAILS**                                                                                                                                                                                             |                                                                         |
| **5.1** | **System displays screen 'Agreements'**<ul><li>Message: these agreements apply to the sharing action.</li><li>Agreements summary.</li><li>Actions: Privacy policy, Back</li></ul>                                             |                                                                         |
| 5.1a    | User selects Privacy policy <br>&rarr; System opens browser and suspends app                                                                                                                                                  |                                                                         |
| 5.1b    | User selects Back                                                                                                                                                                                                             | Back                                                                    |
| **6**   | **GET CARD TO SHARE DETAILS**                                                                                                                                                                                                 |                                                                         |
| **6.1** | **System displays screen 'Card data'**<ul><li>Organization data</li><li>Actions: Details Incorrect, Back</li></ul>                                                                                                            |                                                                         |
| 6.1a    | User selects Details Incorrect                                                                                                                                                                                                | 3                                                                       |
| 6.1b    | User selects Back                                                                                                                                                                                                             | Back                                                                    |
| 6.1c    | User selects Help                                                                                                                                                                                                             | Go to: [UC9.6 Get help](UC9.6_GetHelp.md)                               |
| **7**   | **GET CARD TO ISSUE DETAILS**                                                                                                                                                                                                 |                                                                         |
| **7.1** | **System displays screen 'Card data'**<ul><li>Actions: Details Incorrect, Back</li></ul>                                                                                                                                      |                                                                         |
| 7.1a    | User selects Details Incorrect                                                                                                                                                                                                | 3                                                                       |
| 7.1b    | User selects Back                                                                                                                                                                                                             | Back                                                                    |
| 7.1c    | User selects Help                                                                                                                                                                                                             | Go to: [UC9.6 Get help](UC9.6_GetHelp.md)                               |
| **8**   | **STOP**                                                                                                                                                                                                                      |                                                                         |
| **8.1** | **System displays screen 'Confirm stop'**<ul><li>Are you sure you want to stop?</li><li>Actions: Yes Stop, No, Report Problem</li></ul>                                                                                       |                                                                         |
| 8.1a    | User selects Yes stop                                                                                                                                                                                                         | End                                                                     |
| 8.1b    | User selects No                                                                                                                                                                                                               | Back                                                                    |
| 8.1c    | User selects Report a problem                                                                                                                                                                                                 | 5                                                                       |
| **8.2** | **System displays screen 'Sharing stopped'**<ul><li>Are you sure you want to stop?</li><li>Actions: Yes Stop, No, Report Problem</li></ul>                                                                                    |                                                                         |
| 8.2a    | User selects Yes stop                                                                                                                                                                                                         | End                                                                     |
| 8.2b    | User selects No                                                                                                                                                                                                               | Back                                                                    |
| **9**   | **REPORT PROBLEM**                                                                                                                                                                                                            |                                                                         |
| **9.1** | **System displays screen 'Report problem'**<ul><li>Message: Report Problem</li><li>Options: problems</li><li>Actions: Back</li></ul>                                                                                          |                                                                         |
| 9.1a    | User selects Back                                                                                                                                                                                                             | Back                                                                    |
| 9.1b    | User selects Problem option                                                                                                                                                                                                   | 5.2                                                                     |
| **9.2** | **System displays screen 'Under construction'**<ul><li>Actions: Back</li></ul>                                                                                                                                                |                                                                         |
| 9.2a    | User selects Back                                                                                                                                                                                                             | Back                                                                    |