This is a property of type String.
The allowed values for this property are:
The request is being processed and may take a moment. Preparing... { "type": "PROPERTY_CONSTRAINT_SCHEMA", "constraints": { "type_constraint": "_txt", "allowed_values": [ "A", "E", "F", "H", "I", "K", "L", "M", "NA", "R", "Yes" ] } }