SAP ABAP Program WSD_REF_MATERIAL_F21 (Include WSD_REF_MATERIAL_F21) is using

• Class (2)
• Class Method (2)
• Table (1)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_SALV_NODE	Single Node Object of Tree Structure
2	Class	CX_SALV_MSG	ALV: General Error Class with Message