Add translation objects for model extenders

This simple SQL does the job, but would be nice when it becomes part of TSF

DECLARE @project_id     AS project_id = '[project_id]'
DECLARE @project_vrs_id AS project_id = '[project_vrs_id]'

INSERT INTO transl_object (
       project_id
     , project_vrs_id
     , type_of_object
     , transl_object_id
     , transl_object_desc
     , generated
     , insert_user
     , insert_date_time
)
SELECT DISTINCT 
       project_id         = @project_id 
     , project_vrs_id	  = @project_vrs_id
     , type_of_object	  = 13
     , transl_object_id   = value_string
     , transl_object_desc = NULL
     , generated		  = 0
     , insert_user		  = dbo.tsf_user()
     , insert_date_time	  = GETDATE()
FROM 
     (
        select s.project_id
             , s.project_vrs_id
             , s.extender_type_id
             , s.extender_id
             , property_transl = m.c.value('@property_transl[1]', 'varchar(100)')
             , value_string    = m.c.value('@value_string[1]', 'varchar(1000)')    
        from extender s
        cross apply (select cast(s.property_xml as xml) as property_xml) c
        cross apply c.property_xml.nodes('extender') as m(c)
        WHERE s.project_id = @project_id
        AND   s.project_vrs_id = @project_vrs_id
     ) xml_flat
WHERE property_transl = 'Translation object'
AND NOT EXISTS (SELECT 1 FROM transl_object t WHERE t.project_id = @project_id AND t.project_vrs_id = @project_vrs_id AND t.transl_object_id = xml_flat.value_string AND t.type_of_object = 13)