SAP CLVL_MAXBLOCK Function Module for Maintain Maximum Block for Variable Lists

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CLVL_MAXBLOCK is a standard clvl maxblock SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Maintain Maximum Block for Variable Lists 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 clvl maxblock FM, simply by entering the name CLVL_MAXBLOCK into the relevant SAP transaction such as SE37 or SE38.

Function Group: CLVL
Program Name: SAPLCLVL
Main Program:
Appliation area: M
Release date: 14-Feb-1995
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CLVL_MAXBLOCK 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 'CLVL_MAXBLOCK'"Maintain Maximum Block for Variable Lists
  EXPORTING
*  MAXBL = ' ' "Maximum display block
*  SHOW = ' ' "Display only

 IMPORTING
   OKCODE =  "Function code on Goto

.

IMPORTING Parameters details for CLVL_MAXBLOCK

MAXBL - Maximum display block

Data type: RCLVL-MAXBL
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

SHOW - Display only

Data type: SY-BATCH
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for CLVL_MAXBLOCK

OKCODE - Function code on Goto

Data type: SY-TCODE
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for CLVL_MAXBLOCK 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 CLVL_MAXBLOCK

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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