Restricts the creation of metadata fields when set to true. In other words, it indicates whether or not you are allowed to create new metadata definitions; for example, in the campaign manager or publication manager. If it is set to true, then only the defined fields will be available for assigning values.
Timestamp representing the date and time when the metadata schema was created in ISO 8601 format.
Timestamp representing the date and time when the metadata schema was updated in ISO 8601 format.
Type of the object represented by JSON. Value is by default metadata_schema.