Retrieves a custom field with a specified name, or creates one if it doesn't exist. The number of custom fields is limited to 100.
Successful calls to this method always return a field, which can be specified in subsequent calls.
To find an existing custom field without potentially creating a new one, call Get Extended Field or Query Extended Fields.
This method may require higher-level permissions than the caller has, based on their identity and roles and permissions. In these cases, you can ensure the method is called with the required level of authorization by using one of the following:
Type of data the field holds. Ignored if an existing field is an exact match for the specified display name.
Display name to retrieve or create.
If an existing custom field is an exact match for the specified display name, the existing field is returned. If not, a new field is created and returned.
There is 1 error with this status code.
This method may also return standard errors. Learn more about standard Wix errors.