Create a filter
- Open Gmail.
 - In the search box at the top, click the Down arrow Down Arrow.
 - Enter your search criteria. If you want to check that your search worked correctly, see what emails show up by clicking Search. 
 - At the bottom of the search window, click Create filter. 
 - Choose what you’d like the filter to do.
 - Click Create filter.
 
Note: When you create a filter to forward messages, only new messages will be affected. Additionally, when someone replies to a message you've filtered, the reply will only be filtered if it meets the same search criteria.
Use a particular message to create a filter
- Open Gmail.
 - Check the checkbox next to the email you want. 
 - Click More More.
 - Click Filter messages like these.
 - Enter your filter criteria.
 - Click Create filter.