Purpose
You can use this report to make mass changes to vendor billingdocuments.

Integration
You can use BAdI WLF_MASS_CHANGE to makecustomer-specific adjustments.

Prerequisites
The changeable fields are taken from the 'WLF_KOMLFKE_MASS_CHANGE'(heade) and 'WLF_KOMLFPE_MASS_CHANGE' (item) structures. The appendtechnology can be used to add fields to these. These fields must existor be added to the 'KOMLFKE' and 'KOMLFKEX', or 'KOMLFPE' and 'KOMLFPEX'structures.
A maximum of 30 changeable fields is allowed.
The changeable fields are assigned dynamically to the parameters on theselection screen. When using variants, you should avoid making defaultsettings for change parameters as the assignment of change fields tochange parameters can alter when the BAdI is implemented, or when thefields in the change structure are changed.

Selection
You can display the worklist as a settlement request list.
Documents can be selected using all the fields in the logical database.In addition, you can use condition types and filter function modules tomake extended selections.

Output
A list log is created of the selected documents.