SAP IW_C_DEF_STRUC_NODE_CLASS_GET Function Module for IWB: returns the curr. node class for a structure display environment

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IW_C_DEF_STRUC_NODE_CLASS_GET is a standard iw c def struc node class get SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for IWB: returns the curr. node class for a structure display environment 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 iw c def struc node class get FM, simply by entering the name IW_C_DEF_STRUC_NODE_CLASS_GET into the relevant SAP transaction such as SE37 or SE38.

Function Group: SI63
Program Name: SAPLSI63
Main Program: SAPLSI63
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function IW_C_DEF_STRUC_NODE_CLASS_GET 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 'IW_C_DEF_STRUC_NODE_CLASS_GET'"IWB: returns the curr. node class for a structure display environment
  EXPORTING
*  ENVIRONMENT = 'HELP' "

 IMPORTING
   NODE_CLASS =  "

EXCEPTIONS
   NO_NODE_CLASS_FOUND = 1 

.

IMPORTING Parameters details for IW_C_DEF_STRUC_NODE_CLASS_GET

ENVIRONMENT -

Data type: IWICON-ENVIRON
Default: 'HELP'
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for IW_C_DEF_STRUC_NODE_CLASS_GET

NODE_CLASS -

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

EXCEPTIONS details

NO_NODE_CLASS_FOUND -

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

Copy and paste ABAP code example for IW_C_DEF_STRUC_NODE_CLASS_GET 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 IW_C_DEF_STRUC_NODE_CLASS_GET

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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