SAP ABAP Function Module CRM_ISX_INVOICE_READ (Read Billing Document) is using

• Class (4)
• Data Element (1)
• Interface (1)
• Message Class (1)
• Message Number (1)
• Class Method (7)
• Table (7)

#	Object Type	Object Name	Object Description	Note
1	Class Method	CL_ISX_MD_COL_FRAMEWORK - GET_INSTANCE	Common Object layer Framework
2	Class Method	CL_ISX_MD_COL_FRAMEWORK - INIT_DATA_BUFFER	Common Object layer Framework
3	Class Method	CL_ISX_MD_COL_FRAMEWORK - READ	Common Object layer Framework
4	Class Method	CL_ISX_MD_COL_INVOICE - MAP_BOL_TO_RFC	Invoice object for Convergent Invoicing
5	Class Method	CL_ISX_MD_COL_TOOLS - GET_INSTANCE	Tools for master data replication
6	Class Method	IF_ISX_MD_COL_FRAMEWORK - INIT_DATA_BUFFER	Interface for Common Object Layer
7	Class Method	IF_ISX_MD_COL_FRAMEWORK - READ	Interface for Common Object Layer