SAP CLSE_CHECK_ALLOCATION_CLASS Function Module for Checks Whether a Class Has Assignments (Internal Use)
CLSE_CHECK_ALLOCATION_CLASS is a standard clse check allocation class SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Checks Whether a Class Has Assignments (Internal Use) processing and below is the pattern details for this FM, 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 clse check allocation class FM, simply by entering the name CLSE_CHECK_ALLOCATION_CLASS into the relevant SAP transaction such as SE37 or SE38.
Function Group: CLSE
Program Name: SAPLCLSE
Main Program: SAPLCLSE
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CLSE_CHECK_ALLOCATION_CLASS 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 'CLSE_CHECK_ALLOCATION_CLASS'"Checks Whether a Class Has Assignments (Internal Use).
EXPORTING
I_CLINT = "Internal Class Number
* I_MAFID = ' ' "K Classes Only / O Objects / ' ' All Assignments
* KEY_DATE = SY-DATUM "Valid-From Date
* I_AENNR = "Change Number
* I_CHANGE_SERVICE_CLF = "Engineering Change Management Active for Classification
I_CLASSTYPE = "Class Type
EXCEPTIONS
ALLOCATION_EXIST = 1
IMPORTING Parameters details for CLSE_CHECK_ALLOCATION_CLASS
I_CLINT - Internal Class Number
Data type: KSSK-CLINTOptional: No
Call by Reference: No ( called with pass by value option)
I_MAFID - K Classes Only / O Objects / ' ' All Assignments
Data type: KSSK-MAFIDDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
KEY_DATE - Valid-From Date
Data type: KSSK-DATUVDefault: SY-DATUM
Optional: Yes
Call by Reference: No ( called with pass by value option)
I_AENNR - Change Number
Data type: KSSK-AENNROptional: Yes
Call by Reference: No ( called with pass by value option)
I_CHANGE_SERVICE_CLF - Engineering Change Management Active for Classification
Data type: SY-BATCHOptional: Yes
Call by Reference: No ( called with pass by value option)
I_CLASSTYPE - Class Type
Data type: KSSK-KLARTOptional: No
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
ALLOCATION_EXIST - Assignment Exists
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for CLSE_CHECK_ALLOCATION_CLASS 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_i_clint | TYPE KSSK-CLINT, " | |||
| lv_allocation_exist | TYPE KSSK, " | |||
| lv_i_mafid | TYPE KSSK-MAFID, " SPACE | |||
| lv_key_date | TYPE KSSK-DATUV, " SY-DATUM | |||
| lv_i_aennr | TYPE KSSK-AENNR, " | |||
| lv_i_change_service_clf | TYPE SY-BATCH, " | |||
| lv_i_classtype | TYPE KSSK-KLART. " |
|   CALL FUNCTION 'CLSE_CHECK_ALLOCATION_CLASS' "Checks Whether a Class Has Assignments (Internal Use) |
| EXPORTING | ||
| I_CLINT | = lv_i_clint | |
| I_MAFID | = lv_i_mafid | |
| KEY_DATE | = lv_key_date | |
| I_AENNR | = lv_i_aennr | |
| I_CHANGE_SERVICE_CLF | = lv_i_change_service_clf | |
| I_CLASSTYPE | = lv_i_classtype | |
| EXCEPTIONS | ||
| ALLOCATION_EXIST = 1 | ||
| . " CLSE_CHECK_ALLOCATION_CLASS | ||
ABAP code using 7.40 inline data declarations to call FM CLSE_CHECK_ALLOCATION_CLASS
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 CLINT FROM KSSK INTO @DATA(ld_i_clint). | ||||
| "SELECT single MAFID FROM KSSK INTO @DATA(ld_i_mafid). | ||||
| DATA(ld_i_mafid) | = ' '. | |||
| "SELECT single DATUV FROM KSSK INTO @DATA(ld_key_date). | ||||
| DATA(ld_key_date) | = SY-DATUM. | |||
| "SELECT single AENNR FROM KSSK INTO @DATA(ld_i_aennr). | ||||
| "SELECT single BATCH FROM SY INTO @DATA(ld_i_change_service_clf). | ||||
| "SELECT single KLART FROM KSSK INTO @DATA(ld_i_classtype). | ||||
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