From version 1.6, we have Custom Query field. If you ever need extra filters like tags, author or custom taxonomies, you can keep them in Custom query box.
Custom query parameters works as wordpress Wp Query paramters. For details about accepted parameters, you can visit WordPress Codex page here.
List Post By News Tags : tag=news
List Post By Author : author_name=admin
Note : If you need to write more complex queries, you can use our inbuilt filters. Please check Filters section for more details