SAP SDU_SWITCH_READ_ONLY Function Module for
SDU_SWITCH_READ_ONLY is a standard sdu switch read only 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 sdu switch read only FM, simply by entering the name SDU_SWITCH_READ_ONLY into the relevant SAP transaction such as SE37 or SE38.
Function Group: SDU1
Program Name: SAPLSDU1
Main Program:
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function SDU_SWITCH_READ_ONLY 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 'SDU_SWITCH_READ_ONLY'".
EXPORTING
READ_ONLY = "Read-only flag-import
OBJ_TYPE = "Type of root object
OBJ_NAME = "Name of the root object
IMPORTING
READ_ONLY_EXP = "Read-only flag-export
IMPORTING Parameters details for SDU_SWITCH_READ_ONLY
READ_ONLY - Read-only flag-import
Data type: UDINFREADOptional: No
Call by Reference: No ( called with pass by value option)
OBJ_TYPE - Type of root object
Data type: RSUDO-OBJTYPEOptional: No
Call by Reference: No ( called with pass by value option)
OBJ_NAME - Name of the root object
Data type: RSUDO-OBJNAMEOptional: No
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for SDU_SWITCH_READ_ONLY
READ_ONLY_EXP - Read-only flag-export
Data type: UDINFREADOptional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for SDU_SWITCH_READ_ONLY 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_read_only | TYPE UDINFREAD, " | |||
| lv_read_only_exp | TYPE UDINFREAD, " | |||
| lv_obj_type | TYPE RSUDO-OBJTYPE, " | |||
| lv_obj_name | TYPE RSUDO-OBJNAME. " |
|   CALL FUNCTION 'SDU_SWITCH_READ_ONLY' " |
| EXPORTING | ||
| READ_ONLY | = lv_read_only | |
| OBJ_TYPE | = lv_obj_type | |
| OBJ_NAME | = lv_obj_name | |
| IMPORTING | ||
| READ_ONLY_EXP | = lv_read_only_exp | |
| . " SDU_SWITCH_READ_ONLY | ||
ABAP code using 7.40 inline data declarations to call FM SDU_SWITCH_READ_ONLY
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 OBJTYPE FROM RSUDO INTO @DATA(ld_obj_type). | ||||
| "SELECT single OBJNAME FROM RSUDO INTO @DATA(ld_obj_name). | ||||
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