| Objective | OB01: Assist patients to remember things |
| TDP | |
| Actors | PwD |
| Pre-condition | The patient wants to know basic information about relatives and their previous chat logs. |
| Post-condition | The patient feels independent and that things are under control. |
| Action sequence | 1) The patient unlocks the screen. 2) The patient checks the information and logs. |
| UC Step | Requirements | Claims | IDP |
| 1 | RQ | IDP: | |
| 2 |