SAP TREX_EXT_LIST_OPEN_ATTRIBUTES Function Module for list loaded attributes and their indexes in attr engine

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TREX_EXT_LIST_OPEN_ATTRIBUTES is a standard trex ext list open attributes SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for list loaded attributes and their indexes in attr engine 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 trex ext list open attributes FM, simply by entering the name TREX_EXT_LIST_OPEN_ATTRIBUTES into the relevant SAP transaction such as SE37 or SE38.

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

Function TREX_EXT_LIST_OPEN_ATTRIBUTES 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 'TREX_EXT_LIST_OPEN_ATTRIBUTES'"list loaded attributes and their indexes in attr engine
  EXPORTING
   I_RFC_DESTINATION =  "RFC destination to TREX engine
   I_LOCATIONS =  "Locations

 IMPORTING
   E_RETURN_CODE =  "Return Code
   E_RETURN_TEXT =  "Return Text
   E_ATTRIBUTES =  "open / loaded attributes

EXCEPTIONS
   CONVERSION_ERROR = 1    ERROR = 2 

.

IMPORTING Parameters details for TREX_EXT_LIST_OPEN_ATTRIBUTES

I_RFC_DESTINATION - RFC destination to TREX engine

Data type: TREX_RFC-RFC_DESTINATION
Optional: No
Call by Reference: Yes

I_LOCATIONS - Locations

Data type: TREXT_LOCATIONS
Optional: No
Call by Reference: Yes

EXPORTING Parameters details for TREX_EXT_LIST_OPEN_ATTRIBUTES

E_RETURN_CODE - Return Code

Data type: TREX_RFC-RETURN_CODE
Optional: No
Call by Reference: Yes

E_RETURN_TEXT - Return Text

Data type: TREX_RFC-RETURN_TEXT
Optional: No
Call by Reference: Yes

E_ATTRIBUTES - open / loaded attributes

Data type: TREXT_OPEN_ATTRIBUTES
Optional: No
Call by Reference: Yes

EXCEPTIONS details

CONVERSION_ERROR - Error during conversion from/to UTF8

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

ERROR - Error, see error message

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

Copy and paste ABAP code example for TREX_EXT_LIST_OPEN_ATTRIBUTES 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 TREX_EXT_LIST_OPEN_ATTRIBUTES

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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