SAP SAP_WAPI_DECISION_READ Function Module for
SAP_WAPI_DECISION_READ is a standard sap wapi decision read 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 sap wapi decision read FM, simply by entering the name SAP_WAPI_DECISION_READ into the relevant SAP transaction such as SE37 or SE38.
Function Group: SWRR
Program Name: SAPLSWRR
Main Program: SAPLSWRR
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Remote-Enabled
Update:

Function SAP_WAPI_DECISION_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 'SAP_WAPI_DECISION_READ'".
EXPORTING
WORKITEM_ID = "Work Item ID
* LANGUAGE = SY-LANGU "Language for Texts of a Work Item
* USER = SY-UNAME "SAP System, User Logon Name
IMPORTING
RETURN_CODE = "
DECISION_TITLE = "Work Item Text
TABLES
ALTERNATIVES = "Alternatives of a User Decision
* ALT_PROPERTIES = "
* MESSAGE_LINES = "Workflow Interfaces: Messages
* MESSAGE_STRUCT = "Workflow interfaces: Message structure
IMPORTING Parameters details for SAP_WAPI_DECISION_READ
WORKITEM_ID - Work Item ID
Data type: SWR_STRUCT-WORKITEMIDOptional: No
Call by Reference: No ( called with pass by value option)
LANGUAGE - Language for Texts of a Work Item
Data type: SWR_STRUCT-WILANGUAGEDefault: SY-LANGU
Optional: Yes
Call by Reference: No ( called with pass by value option)
USER - SAP System, User Logon Name
Data type: SYUNAMEDefault: SY-UNAME
Optional: Yes
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for SAP_WAPI_DECISION_READ
RETURN_CODE -
Data type: SYSUBRCOptional: No
Call by Reference: No ( called with pass by value option)
DECISION_TITLE - Work Item Text
Data type: SWR_WIHDR-WI_TEXTOptional: No
Call by Reference: No ( called with pass by value option)
TABLES Parameters details for SAP_WAPI_DECISION_READ
ALTERNATIVES - Alternatives of a User Decision
Data type: SWR_DECIALTSOptional: No
Call by Reference: Yes
ALT_PROPERTIES -
Data type: SWR_DECIOPTSOptional: Yes
Call by Reference: Yes
MESSAGE_LINES - Workflow Interfaces: Messages
Data type: SWR_MESSAGOptional: Yes
Call by Reference: Yes
MESSAGE_STRUCT - Workflow interfaces: Message structure
Data type: SWR_MSTRUCOptional: Yes
Call by Reference: Yes
Copy and paste ABAP code example for SAP_WAPI_DECISION_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.| DATA: | ||||
| lv_return_code | TYPE SYSUBRC, " | |||
| lv_workitem_id | TYPE SWR_STRUCT-WORKITEMID, " | |||
| lt_alternatives | TYPE STANDARD TABLE OF SWR_DECIALTS, " | |||
| lv_language | TYPE SWR_STRUCT-WILANGUAGE, " SY-LANGU | |||
| lt_alt_properties | TYPE STANDARD TABLE OF SWR_DECIOPTS, " | |||
| lv_decision_title | TYPE SWR_WIHDR-WI_TEXT, " | |||
| lv_user | TYPE SYUNAME, " SY-UNAME | |||
| lt_message_lines | TYPE STANDARD TABLE OF SWR_MESSAG, " | |||
| lt_message_struct | TYPE STANDARD TABLE OF SWR_MSTRUC. " |
|   CALL FUNCTION 'SAP_WAPI_DECISION_READ' " |
| EXPORTING | ||
| WORKITEM_ID | = lv_workitem_id | |
| LANGUAGE | = lv_language | |
| USER | = lv_user | |
| IMPORTING | ||
| RETURN_CODE | = lv_return_code | |
| DECISION_TITLE | = lv_decision_title | |
| TABLES | ||
| ALTERNATIVES | = lt_alternatives | |
| ALT_PROPERTIES | = lt_alt_properties | |
| MESSAGE_LINES | = lt_message_lines | |
| MESSAGE_STRUCT | = lt_message_struct | |
| . " SAP_WAPI_DECISION_READ | ||
ABAP code using 7.40 inline data declarations to call FM SAP_WAPI_DECISION_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.| "SELECT single WORKITEMID FROM SWR_STRUCT INTO @DATA(ld_workitem_id). | ||||
| "SELECT single WILANGUAGE FROM SWR_STRUCT INTO @DATA(ld_language). | ||||
| DATA(ld_language) | = SY-LANGU. | |||
| "SELECT single WI_TEXT FROM SWR_WIHDR INTO @DATA(ld_decision_title). | ||||
| DATA(ld_user) | = SY-UNAME. | |||
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