SAP RH_MESSAGE_GET Function Module for Read Message and Edit Using Variables
RH_MESSAGE_GET is a standard rh message 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 Read Message and Edit Using Variables 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 rh message get FM, simply by entering the name RH_MESSAGE_GET into the relevant SAP transaction such as SE37 or SE38.
Function Group: RHUT
Program Name: SAPLRHUT
Main Program: SAPLRHUT
Appliation area: H
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function RH_MESSAGE_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 'RH_MESSAGE_GET'"Read Message and Edit Using Variables.
EXPORTING
* SPRSL = SY-LANGU "Language key
ARBGB = "Application area
MSGNR = "Message ID
* MSGV1 = ' ' "Variable 1
* MSGV2 = ' ' "Variable 2
* MSGV3 = ' ' "Variable 3
* MSGV4 = ' ' "Variable 4
IMPORTING
MSGTEXT = "Message text
EXCEPTIONS
MESSAGE_NOT_FOUND = 1
IMPORTING Parameters details for RH_MESSAGE_GET
SPRSL - Language key
Data type: T100-SPRSLDefault: SY-LANGU
Optional: Yes
Call by Reference: No ( called with pass by value option)
ARBGB - Application area
Data type: T100-ARBGBOptional: No
Call by Reference: No ( called with pass by value option)
MSGNR - Message ID
Data type: T100-MSGNROptional: No
Call by Reference: No ( called with pass by value option)
MSGV1 - Variable 1
Data type:Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
MSGV2 - Variable 2
Data type:Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
MSGV3 - Variable 3
Data type:Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
MSGV4 - Variable 4
Data type:Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for RH_MESSAGE_GET
MSGTEXT - Message text
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
EXCEPTIONS details
MESSAGE_NOT_FOUND -
Data type:Optional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for RH_MESSAGE_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.| DATA: | ||||
| lv_sprsl | TYPE T100-SPRSL, " SY-LANGU | |||
| lv_msgtext | TYPE T100, " | |||
| lv_message_not_found | TYPE T100, " | |||
| lv_arbgb | TYPE T100-ARBGB, " | |||
| lv_msgnr | TYPE T100-MSGNR, " | |||
| lv_msgv1 | TYPE T100, " SPACE | |||
| lv_msgv2 | TYPE T100, " SPACE | |||
| lv_msgv3 | TYPE T100, " SPACE | |||
| lv_msgv4 | TYPE T100. " SPACE |
|   CALL FUNCTION 'RH_MESSAGE_GET' "Read Message and Edit Using Variables |
| EXPORTING | ||
| SPRSL | = lv_sprsl | |
| ARBGB | = lv_arbgb | |
| MSGNR | = lv_msgnr | |
| MSGV1 | = lv_msgv1 | |
| MSGV2 | = lv_msgv2 | |
| MSGV3 | = lv_msgv3 | |
| MSGV4 | = lv_msgv4 | |
| IMPORTING | ||
| MSGTEXT | = lv_msgtext | |
| EXCEPTIONS | ||
| MESSAGE_NOT_FOUND = 1 | ||
| . " RH_MESSAGE_GET | ||
ABAP code using 7.40 inline data declarations to call FM RH_MESSAGE_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.| "SELECT single SPRSL FROM T100 INTO @DATA(ld_sprsl). | ||||
| DATA(ld_sprsl) | = SY-LANGU. | |||
| "SELECT single ARBGB FROM T100 INTO @DATA(ld_arbgb). | ||||
| "SELECT single MSGNR FROM T100 INTO @DATA(ld_msgnr). | ||||
| DATA(ld_msgv1) | = ' '. | |||
| DATA(ld_msgv2) | = ' '. | |||
| DATA(ld_msgv3) | = ' '. | |||
| DATA(ld_msgv4) | = ' '. | |||
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