SAP WCFW_OBJKEY_GET Function Module for WCM: Objekt Key <- Object Number
WCFW_OBJKEY_GET is a standard wcfw objkey 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 WCM: Objekt Key <- Object Number 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 wcfw objkey get FM, simply by entering the name WCFW_OBJKEY_GET into the relevant SAP transaction such as SE37 or SE38.
Function Group: WCFW
Program Name: SAPLWCFW
Main Program: SAPLWCFW
Appliation area: I
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Copy and paste ABAP code example for WCFW_OBJKEY_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.ABAP code using 7.40 inline data declarations to call FM WCFW_OBJKEY_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.Search for further information about these or an SAP related objects