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# Field mapping tools overview

> Field mapping tools allow you to configure how data fields are mapped between Zuora and external systems when using advanced connectors.

Field mapping tools allow you to configure how data fields are mapped between Zuora and external systems when using advanced connectors.

Customers can interact with these mappings to adjust how data is transferred and test their configurations during the synchronization process. The following concepts are covered:

* Layout
* Actions
* Edit Mappings
* Fields Available
* Default Values
* Transformations