CALL FUNCTION 'GUI_DOWNLOAD'
EXPORTING
FILENAME = FILENAME
FILETYPE = 'ASC'
WRITE_FIELD_SEPARATOR = 'X'
TRUNC_TRAILING_BLANKS = 'X'
TABLES
DATA_TAB = T_EMPLEADOS_AUX
EXCEPTIONS
FILE_WRITE_ERROR = 1
GUI_REFUSE_FILETRANSFER = 3
INVALID_TYPE = 4
NO_AUTHORITY = 5
UNKNOWN_ERROR = 6
FILE_NOT_FOUND = 19
DATAPROVIDER_EXCEPTION = 20
CONTROL_FLUSH_ERROR = 21
OTHERS = 22.