gets the prefix used when creating the zip file name . concode_field_sep File fileToDelete concode_elem_sep String filePrefix concode_elem_sep boolean preserveFolderStructure concode_elem_sep boolean useFilenameHeader concode_elem_sep String fileSuffix concode_field_sep void setFilePrefix concode_elem_sep void onComplete concode_elem_sep void onFailure concode_elem_sep void addEntryToZip concode_elem_sep void addFileToZip concode_elem_sep String getFileSuffix concode_elem_sep void setFileSuffix concode_elem_sep Exchange aggregate
String function ( ) { return filePrefix ; }