SAP ABAP Class CL_USMD_WF_NAVIGATION_HANDLER (Navigation Handler for Inbox) is using

• Class (51)
• Data Element (32)
• Table/Structure Field (59)
• Interface (20)
• Message Class (1)
• Message Number (1)
• Class Method (72)
• Table (24)

#	Object Type	Object Name	Object Description	Note
1	Message Class	USMD	General Messages