udt_privileges   The view udt_privileges identifies
   USAGE privileges granted on user-defined types to a
   currently enabled role or by a currently enabled role.  There is one row for
   each combination of type, grantor, and grantee.  This view shows only
   composite types (see under Section 36.58
   for why); see
   Section 36.57 for domain privileges.
  
Table 36.54. udt_privileges Columns
| Name | Data Type | Description | 
|---|---|---|
| grantor | sql_identifier | Name of the role that granted the privilege | 
| grantee | sql_identifier | Name of the role that the privilege was granted to | 
| udt_catalog | sql_identifier | Name of the database containing the type (always the current database) | 
| udt_schema | sql_identifier | Name of the schema containing the type | 
| udt_name | sql_identifier | Name of the type | 
| privilege_type | character_data | Always TYPE USAGE | 
| is_grantable | yes_or_no | YESif the privilege is grantable,NOif not |