SAP O2_APPLICATION_SHOW_SCREEN Function Module for
O2_APPLICATION_SHOW_SCREEN is a standard o2 application show screen 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 o2 application show screen FM, simply by entering the name O2_APPLICATION_SHOW_SCREEN into the relevant SAP transaction such as SE37 or SE38.
Function Group: O2_APPLICATION
Program Name: SAPLO2_APPLICATION
Main Program: SAPLO2_APPLICATION
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function O2_APPLICATION_SHOW_SCREEN 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 'O2_APPLICATION_SHOW_SCREEN'".
EXPORTING
P_TOOL_CLASS = "
P_ATTRIBUTES = "
IMPORTING Parameters details for O2_APPLICATION_SHOW_SCREEN
P_TOOL_CLASS -
Data type: CL_O2_APPLICATIONOptional: No
Call by Reference: Yes
P_ATTRIBUTES -
Data type: O2APPLATTROptional: No
Call by Reference: Yes
Copy and paste ABAP code example for O2_APPLICATION_SHOW_SCREEN 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_p_tool_class | TYPE CL_O2_APPLICATION, " | |||
| lv_p_attributes | TYPE O2APPLATTR. " |
|   CALL FUNCTION 'O2_APPLICATION_SHOW_SCREEN' " |
| EXPORTING | ||
| P_TOOL_CLASS | = lv_p_tool_class | |
| P_ATTRIBUTES | = lv_p_attributes | |
| . " O2_APPLICATION_SHOW_SCREEN | ||
ABAP code using 7.40 inline data declarations to call FM O2_APPLICATION_SHOW_SCREEN
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.Search for further information about these or an SAP related objects