# [Add documentation around posts__in](https://github.com/kadamwhite/wordpress-rest-api/issues/118)

> state: **open** opened by: **kadamwhite** on: **12/28/2015**

Re: #117, @brad-decker indicates around supporting array filters:

> You also need to add `post__in` and `post__not_in` to `query_vars` on your wordpress install.

This should be addressed in the readme or API documentation.

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