SAP CAT_CHECK_RFC_DESTINATION Function Module for
CAT_CHECK_RFC_DESTINATION is a standard cat check rfc destination SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.
See here to view full function module documentation and code listing for cat check rfc destination FM, simply by entering the name CAT_CHECK_RFC_DESTINATION into the relevant SAP transaction such as SE37 or SE38.
Function Group: SCAT
Program Name: SAPLSCAT
Main Program: SAPLSCAT
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CAT_CHECK_RFC_DESTINATION pattern details
In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.CALL FUNCTION 'CAT_CHECK_RFC_DESTINATION'".
EXPORTING
RFCDESTINATION = "System to be tested
IMPORTING
MSGV1 = "first part of a possible error message
MSGV2 = "second part of a possible error message
RFC_SUBRC = "Return code: 0=OK;1=No Dest;2=Comm.err;3=Sys.Err
IMPORTING Parameters details for CAT_CHECK_RFC_DESTINATION
RFCDESTINATION - System to be tested
Data type: RSCAT-RFCDESTOptional: No
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for CAT_CHECK_RFC_DESTINATION
MSGV1 - first part of a possible error message
Data type: SY-MSGV1Optional: No
Call by Reference: No ( called with pass by value option)
MSGV2 - second part of a possible error message
Data type: SY-MSGV2Optional: No
Call by Reference: No ( called with pass by value option)
RFC_SUBRC - Return code: 0=OK;1=No Dest;2=Comm.err;3=Sys.Err
Data type: SY-SUBRCOptional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for CAT_CHECK_RFC_DESTINATION Function Module
The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.| DATA: | ||||
| lv_msgv1 | TYPE SY-MSGV1, " | |||
| lv_rfcdestination | TYPE RSCAT-RFCDEST, " | |||
| lv_msgv2 | TYPE SY-MSGV2, " | |||
| lv_rfc_subrc | TYPE SY-SUBRC. " |
|   CALL FUNCTION 'CAT_CHECK_RFC_DESTINATION' " |
| EXPORTING | ||
| RFCDESTINATION | = lv_rfcdestination | |
| IMPORTING | ||
| MSGV1 | = lv_msgv1 | |
| MSGV2 | = lv_msgv2 | |
| RFC_SUBRC | = lv_rfc_subrc | |
| . " CAT_CHECK_RFC_DESTINATION | ||
ABAP code using 7.40 inline data declarations to call FM CAT_CHECK_RFC_DESTINATION
The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.| "SELECT single MSGV1 FROM SY INTO @DATA(ld_msgv1). | ||||
| "SELECT single RFCDEST FROM RSCAT INTO @DATA(ld_rfcdestination). | ||||
| "SELECT single MSGV2 FROM SY INTO @DATA(ld_msgv2). | ||||
| "SELECT single SUBRC FROM SY INTO @DATA(ld_rfc_subrc). | ||||
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