Functional Requirements

• Also know as Feature Set
• Specify what the system should do. They describe system behavior, features, and interactions.
• Functional requirements DO NOT influence on the architecture, since a feature can be implemented using any kind of architecture (just it may not be viable)

flowchart LR

A[User Action] --> System
B[Events] --> System
System --> C[Outcome/Result]

Examples

1. User must authenticate to access the platform
2. user can access the platform via mobile or webapp
3. User must be able to search an item
4. User can upload a file
5. User can generate a link so that he can share the file with other users
6. Other users can download the file from the link
7. User can see a report of what other users have downloaded his file