> For the complete documentation index, see [llms.txt](https://doc.duaer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/build/filter.md).

# Filter items in Duaer

In Duaer, Filter has two outputs: Kept and Discarded. Set Conditions for the rule. Ignore Case under Options is on by default.
## Keep items that match

1. Search for Filter and connect it after the previous node.
2. Under Conditions, select Add Condition, for example status equals paid.
3. Add more conditions with AND or OR when needed.
4. Select Execute step. Matches leave on Kept. The rest leave on Discarded.

Ignore Case under Options is on by default. Convert types where required is off by default.

Refer to [Drop items with Filter in Duaer](/flow-logic/filtering.md).
## Questions

### How is Filter different from If in Duaer?

Filter labels its outputs Kept and Discarded. If labels them true and false. Both can wire onward.