SAP ABAP Class CL_PRP_WFM_CALLBACK (Processing of WFM Callbacks) is using

• Class (16)
• Data Element (10)
• Table/Structure Field (12)
• Interface (2)
• Message Class (2)
• Message Number (6)
• Class Method (22)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Message Class	PRP	Project Resource Planning: General Messages
2	Message Class	SRT	Messages in report tree (Hierarchy tool)