The update date and time can be acquired by acquiring the list in the file name list acquisition process and checking "updated" of the output schema.
The output schema "updated" of the file name list acquisition process stores the last updated date and time of the files and directories acquired in the list.
For more details on file name list acquisition processing, please check the following help of DataSpider Servista.
URL:https://www.hulft.com/help/en-us/DataSpider/dss42sp2/help/en/adapter/file/file_list_file.html