What does the pattern do?
- Supports users in narrowing down.
When should the pattern be used?
- When users want to restrict their input (e.g. to primary sources) or output (e.g. format).
Recommendation
- Closely related to parameters. Check which one makes more sense.
- Use filters that are relevant.
- Consider which order makes sense, e.g. what is filtered most often, should come first.
Example
