SAP ABAP Function Module WR21_START_SELECTION (Neue Suchhilfe Mehrfachselektion über Klassen) is using

• Class (1)
• Table/Structure Field (12)
• Function Module (2)
• Message Class (1)
• Message Number (2)
• Table (9)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	DD23L - FUNCNAME	Selection function triggered via matchcode
2	Table/Structure Field	DD23L - MCID	Matchcode ID
3	Table/Structure Field	DD23L - MCONAME	Name of a matchcode object
4	Table/Structure Field	DDSHF4CTRL - MULTISEL	DDSHF4CTRL-MULTISEL
5	Table/Structure Field	DDSHF4CTRL - STEP	Current step in the F4 process
6	Table/Structure Field	DDSHIFACE - VALUE	Field contents on the screen
7	Table/Structure Field	DFIES - LENG	Length (No. of Characters)
8	Table/Structure Field	RSMVA - FLDLG	Length (No. of Characters)
9	Table/Structure Field	RSMVA - VALUE	Field contents, min./max. value
10	Table/Structure Field	SEAHLPRES - STRING	Text of length 1000
11	Table/Structure Field	SHLP_DESCR - FIELDDESCR	SHLP_DESCR-FIELDDESCR
12	Table/Structure Field	SHLP_DESCR - SHLPNAME	Name of a Search Help