SAP ABAP Program MMWE3O01 (PBO Modules for SAPMMWE3: Release Purchasing Documents) is using

• Table/Structure Field (24)
• Function Module (1)
• Message Number (3)
• Program (1)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Table	SCREEN	Structure Description for the System Data Object SCREEN
2	Table	T16FC	Release Codes