The masked add & replace files action allows you to specify a file mask to use when adding files from your local file system to the update. To use this action, you set the target client folder, provide a local folder to look for files in, and you supply a file mask such as (*.exe).
When this action is processed during the update build process, the mask is applied to the local folder and all files that match the mask are included into the update package. This action is an extension of the add & replace files action
During the prepare stage, this action verifies permissions to the target folder.
Makes a copy of the files that are going to be replaced on the client computer, then adds and replaces the defined list of files on the client.
Attempts to copy the files that were backed up in the execute stage back to their original location.