SAP ABAP Function Module TREX_EXT_OPEN_HANDLE_SUMMARY (open handle summary) is using

• Class (1)
• Data Element (2)
• Table/Structure Field (32)
• Function Module (4)
• Message Class (1)
• Message Number (3)
• Class Method (1)
• Table (8)

#	Object Type	Object Name	Object Description	Note
1	Message Class	STREX	Message for TREX ABAP Client