group external id

src/Sql/dbo/Stored Procedures/Group_Update.sql

@@ -3,6 +3,7 @@
     @OrganizationId UNIQUEIDENTIFIER,
     @Name VARCHAR(MAX),
     @AccessAll BIT,
+    @ExternalId NVARCHAR(50),
     @CreationDate DATETIME2(7),
     @RevisionDate DATETIME2(7)
 AS
@@ -15,6 +16,7 @@ BEGIN
         [OrganizationId] = @OrganizationId,
         [Name] = @Name,
         [AccessAll] = @AccessAll,
+        [ExternalId] = @ExternalId,
         [CreationDate] = @CreationDate,
         [RevisionDate] = @RevisionDate
     WHERE