CASN is a SAP tcode coming under FI module and FI-CA component. View some details about CASN tcode in SAP.
- CASN tcode used for : FI-CA Cust: Field Groups for Auth. in SAP
- Module : FI-CA-BF-CA (Contract Accounts)
- Parent Module : FI (Financial Accounting)
- Package : FKKV (Contract Account in FI-CA)
- ABAP Program : BUSVIEWS

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Definitions
What is SAP ?SAP is the short form of Systems, Applications & Products in Data Processing. It is one of the largest business process related software. This software focused on business processes on ERP & CRM.
What is transaction code in SAP?Transaction code shortly known as tcode, is a shortcut code to access different functional areas in SAP. It avoid users from long menu path to reach a report. Instead of that users can type the corresponding transaction code and press enter, the corresponding SAP page will load. It’s a good practice to remember or note down the transaction codes that we need to use in our regular work.
CASN related transaction codes
| Tcode | Note |
|---|---|
| CASN | FI-CA Cust: Field Groups for Auth. |
| S_KFM_86000295 | Auth. Group - Obj. Assignment in IMG |
| CMS_CUS_RE_BDT_103 | CMS-RE Cust: Fld Grouping Auth. |
| CACS_CSB0103 | CSB-Cust: Field Groups for Author. |
| CACS_CSC0103 | CSC-Cust: Field Groups for Author. |
| WASS120 | WA Cust: Field Groups for Authorizn |
| INSOSN | Cust: Field Groups for Authorization |
| FOIZ | RECN Cust: Field Groups for Author. |
| CRMD_MKTSEG_MGR | Edit Master Groups/Samples |
| F9AUTH | Maintain Authorization Groups |
| O042 | Cust. Chars: Char. Groups |
| O043 | Cust. Classes: Class Groups |
| CACS_DET_ACR01 | Cust.Acct.Ass.Types Remun.Cust.Syst. |
| CACS_DET_ACS01 | Cust.Acct.Ass.Types Sett.Cust.System |
| /ISDFPS/C_CS_CMD | Cust:Cust: Cross-System Commands |