Edit Data Transformations
- Go to Data Management > Mapp Connect and open the integration you want to edit.
- Open the Mapping tab and click Edit next to the mapping you need to change.

- Click Edit Field Mapping.

- Make your changes.

- Selecting Remove char opens a field where you can specify the character or string you want removed.

- Selecting Custom opens a field where you can enter the JavaScript, and a button to test it.

- Click Save.