SAP ABAP Function Module WRF_REF_HEAD_READ_SINGLE (Read singe WRF_REF_HEAD_entry) is using

• Class (2)
• Data Element (2)
• Table/Structure Field (23)
• Message Class (1)
• Message Number (1)
• Class Method (3)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Table	WRF_REF_ARTICLE_SITE_STY	Material and Plant
2	Table	WRF_REF_ARTICLE_SITE_STY	Material and Plant	SOURCE REFERENCE(PIS_ARTICLE_SITE) TYPE WRF_REF_ARTICLE_SITE_STY
3	Table	WRF_REF_HEAD_PRG_STY	Structure with WRF_REF_HEAD and Enhancement	SOURCE REFERENCE(PES_HEAD) TYPE WRF_REF_HEAD_PRG_STY
4	Table	WRF_REF_HEAD_PRG_STY	Structure with WRF_REF_HEAD and Enhancement
5	Table	WRF_REF_MESSAGE_STY	Structure for Error Messages