SAP MASS_MAINTENANCE Function Module for Mass Maintenance: Article Assignments
MASS_MAINTENANCE is a standard mass maintenance SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Mass Maintenance: Article Assignments 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 mass maintenance FM, simply by entering the name MASS_MAINTENANCE into the relevant SAP transaction such as SE37 or SE38.
Function Group: WFP6
Program Name: SAPLWFP6
Main Program: SAPLWFP6
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Copy and paste ABAP code example for MASS_MAINTENANCE 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 MASS_MAINTENANCE
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