Here we would like to draw your attention to FKKINVDOC_DISP transaction code in SAP. As we know it is being used in the SAP FI-CA (Contract Accounts Receivable and Payable in FI) component which is coming under FI module (Financial Accounting). FKKINVDOC_DISP is a transaction code used for Display Invoicing Document in SAP.

It comes under the package for Invoicing in Contract Accounts Receivable and Payable (FKKINV). When we execute this transaction code, RFKKINV_INVDOC_DISP is the normal standard SAP program that is being executed in background. Transaction code FKKINVDOC_DISP is included in the SAP component for FI-CA.
Transaction FKKINVDOC_DISP technical data table
| Tcode | FKKINVDOC_DISP |
| Usage | Display Invoicing Document |
| Module | FI |
| Sub Module | FI-CA-INV |
| SAP Package | FKKINV |
| Program running | RFKKINV_INVDOC_DISP |
| Component | FI-CA |