Find Or Create Extended Field

Retrieves a custom field with a given name, or creates one if it doesn't exist. The number of custom fields is limited to 100.

Successful calls to this endpoint always return a field, which can be passed to subsequent requests.

To find an existing custom field without potentially creating a new one, use Get Extended Field or List Extended Fields.

Permission Scopes

For app development, you must have one of the following permission scopes:
Manage Contact Extended Fields
Manage Members and Contacts - all permissions
Learn more about permission scopes.

Event TriggersThis method triggers the following events:
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