SAP /CPD/CLEAR_BUFFER Function Module for clear buffer

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/CPD/CLEAR_BUFFER is a standard /cpd/clear buffer SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for clear buffer 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 /cpd/clear buffer FM, simply by entering the name /CPD/CLEAR_BUFFER into the relevant SAP transaction such as SE37 or SE38.

Function Group: /CPD/MP_SERVICES
Program Name: /CPD/SAPLMP_SERVICES
Main Program: /CPD/SAPLMP_SERVICES
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Remote-Enabled
Update:

Function /CPD/CLEAR_BUFFER 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 '/CPD/CLEAR_BUFFER'"clear buffer
  EXPORTING
   IT_KEY =  "Key Table
   IV_KEEP_CACHE =  "Data element for domain BOOLE: TRUE (='X') and FALSE (=' ')

.

IMPORTING Parameters details for /CPD/CLEAR_BUFFER

IT_KEY - Key Table

Data type: /BOBF/T_FRW_KEY
Optional: No
Call by Reference: No ( called with pass by value option)

IV_KEEP_CACHE - Data element for domain BOOLE: TRUE (='X') and FALSE (=' ')

Data type: BOOLE_D
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for /CPD/CLEAR_BUFFER 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.

ABAP code using 7.40 inline data declarations to call FM /CPD/CLEAR_BUFFER

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.

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