SAP ABAP Class CL_WLF_DOCUMENT_4 (CL_WLF_DOCUMENT_4) is using

• Class (11)
• Data Element (8)
• Table/Structure Field (175)
• Function Module (3)
• Interface (76)
• Message Class (1)
• Message Number (1)
• Class Method (80)
• Table (31)

#	Object Type	Object Name	Object Description	Note
1	Message Number	WAB - 042	Billing Type & only Allowed for Cancellation Documents