# Facebook Custom Audience


[Facebook Custom Audience](https://developers.facebook.com/docs/marketing-api/audiences/guides/custom-audiences) is a popular targeting tool that lets you find people on Facebook who are interested in your business. You can also create custom audiences through customer lists, Facebook engagement, and website/app traffic.

## Links

You can use the Facebook Custom Audience destination in two ways:

- [Connect Reverse ETL source to Facebook Custom Audience]({{< ref "destinations/reverse-etl-destinations/facebook-custom-audience/connect-retl-source.md" >}})
- [Sync Audiences to Facebook Custom Audience]({{< ref "audiences/syncs/facebook-custom-audience.md" >}})