SAP CNVL_WRITE_OBJECT Function Module for Variable overviews: write line(s) of an object

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CNVL_WRITE_OBJECT is a standard cnvl write object SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Variable overviews: write line(s) of an object 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 cnvl write object FM, simply by entering the name CNVL_WRITE_OBJECT into the relevant SAP transaction such as SE37 or SE38.

Function Group: CNVL
Program Name: SAPLCNVL
Main Program: SAPLCNVL
Appliation area: C
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CNVL_WRITE_OBJECT 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 'CNVL_WRITE_OBJECT'"Variable overviews: write line(s) of an object
  EXPORTING
   I_LINTYP =  "Line category: T=title H=heading P=item
   I_OBJECT =  "Object (line)
*  I_FLG_NEW_LINE = 'X' "Indicator: carry out line break

 IMPORTING
   E_FIELDLINE =  "Displayed line (for step loops)

EXCEPTIONS
   OBJECT_NOT_FOUND = 1    FIELDS_NOT_FOUND = 2 

.

IMPORTING Parameters details for CNVL_WRITE_OBJECT

I_LINTYP - Line category: T=title H=heading P=item

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

I_OBJECT - Object (line)

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

I_FLG_NEW_LINE - Indicator: carry out line break

Data type: RC27X-FLG_SEL
Default: 'X'
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for CNVL_WRITE_OBJECT

E_FIELDLINE - Displayed line (for step loops)

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

EXCEPTIONS details

OBJECT_NOT_FOUND - Object does not exist in list variant

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

FIELDS_NOT_FOUND - Object contains no fields in list variant

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

Copy and paste ABAP code example for CNVL_WRITE_OBJECT 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 CNVL_WRITE_OBJECT

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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