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	CL_ISX_MD_COL_FRAMEWORK	Common Object layer Framework
2	Class	CL_ISX_MD_COL_INVOICE	Invoice object for Convergent Invoicing
3	Class	CL_ISX_MD_COL_TOOLS	Tools for master data replication
4	Class	CX_ISX_CTR_FAULT_MESSAGE	ISX COL Framework Error Handling