Developed in the context of the Uplink Connection on the NSG, this API could be used for other types of objects. It is used as a collection of name-value (or key-value) pairs for custom attributes that could be used to enrich existing class instances.
last_updated_by: ID of the user who last updated the object.
entity_scope: Specify if scope of entity is Data center or Enterprise level
attribute_name: The name of the custom attribute (key) used to enrich the object the customProperty instance is attached to.
attribute_value: The value assigned to the custom attribute (key) of that customProperty instance.
external_id: External object ID. Used for integration with third party systems