SAP ABAP Program RHRAUM20 (Display / Change / Delete / Firmly Book Room Reservation) is using

• Class (2)
• Data Element (1)
• Table/Structure Field (409)
• Function Module (28)
• Message Class (2)
• Message Number (55)
• Class Method (3)
• Program (18)
• Search Help (2)
• Table (154)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_HR_ADATA_TYPE_CAST	Unicode-Compatible Conversion ADATA
2	Class	CL_HR_PNNNN_TYPE_CAST	HR: CASTing for Pnnnn Structures