USR12 is a standard SAP search help available within R/3 SAP systems, depending on your version and release level. Below is the basic details of the search help including its Parameters, Selection method, Exit function module and for convenience any standard documentation available. All this information and more can be viewed by entering the Search help name USR12 into the relevant SAP transactions such as SE11 and SE80.
Search helps can be assigned to objects such as a table field, data element, screen field or report parameter. The ABAP code to implement via a report parameter uses the matchcode statement as follows:
PARAMETERS: P_USR12 TYPE C MATCHCODE OBJECT USR12.
|Dialog type:||Dialog with value restriction - "C"|
|Search help exit:|