SAP MYMS_SINGLE_READ Function Module for Select Single from MYMS w/ Entry in Buffer

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MYMS_SINGLE_READ is a standard myms single read SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Select Single from MYMS w/ Entry in Buffer 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 myms single read FM, simply by entering the name MYMS_SINGLE_READ into the relevant SAP transaction such as SE37 or SE38.

Function Group: MG30
Program Name: SAPLMG30
Main Program: SAPLMG30
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function MYMS_SINGLE_READ 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 'MYMS_SINGLE_READ'"Select Single from MYMS w/ Entry in Buffer
  EXPORTING
*  KZRFB = ' ' "Indicator: Refresh Buffer Entry
*  MAXTZ = 0 "Max. No. of Entries in Buffer
   MYKEY =  "
   MATNR =  "

 IMPORTING
   WMYMS =  "
   O_MYMS =  "

EXCEPTIONS
   WRONG_CALL = 1    NOT_FOUND = 2 

.

IMPORTING Parameters details for MYMS_SINGLE_READ

KZRFB - Indicator: Refresh Buffer Entry

Data type: MTCOM-KZRFB
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

MAXTZ - Max. No. of Entries in Buffer

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

MYKEY -

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

MATNR -

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

EXPORTING Parameters details for MYMS_SINGLE_READ

WMYMS -

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

O_MYMS -

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

EXCEPTIONS details

WRONG_CALL -

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

NOT_FOUND -

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

Copy and paste ABAP code example for MYMS_SINGLE_READ 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 MYMS_SINGLE_READ

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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