allowsFieldId

@Deprecated(message = "Client side validation of [FieldDefinition]s is no longer supported.")

Client side validation of [FieldDefinition]s is no longer supported.

Check if a given field ID is allowed by the receiving Configuration.

Returns true iff fieldId is valid with the current configuration, i.e., is included in either contactCustomFields or customerCustomFields.

fieldId

Field ID to check for validity.