SAP ISH_READ_TN21B Function Module for

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ISH_READ_TN21B is a standard ish read tn21b SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, 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 ish read tn21b FM, simply by entering the name ISH_READ_TN21B into the relevant SAP transaction such as SE37 or SE38.

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

Function ISH_READ_TN21B 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 'ISH_READ_TN21B'"
  EXPORTING
   EINRICHTUNG =  "
*  FALLART =  "

 IMPORTING
   E_TN21B =  "

EXCEPTIONS
   NO_RESULT = 1 

.

IMPORTING Parameters details for ISH_READ_TN21B

EINRICHTUNG -

Data type: TN21B-EINRI
Optional: No
Call by Reference: No ( called with pass by value option)

FALLART -

Data type: TN21B-FALAR
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for ISH_READ_TN21B

E_TN21B -

Data type: TN21B
Optional: No
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

NO_RESULT -

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

Copy and paste ABAP code example for ISH_READ_TN21B 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 ISH_READ_TN21B

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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