SAP ABAP Class CL_MSS_CAT_APPR_RFC_LAYER (Processing of RFC Command) is using

• Class (19)
• Data Element (1)
• Table/Structure Field (5)
• Interface (3)
• Message Class (1)
• Message Number (1)
• Class Method (8)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Data Element	BOOLE_D	Data element for domain BOOLE: TRUE (='X') and FALSE (=' ')