how do I add a link to a record in a flow?

Hello, 

I have created a flow that sends an email to a user when a record is completed.  I would like to include the related order record link in the email. 

I am using the rich text editor, and have added a link, but it is environment specific.  is there a better way to do this? 

here's an example of what I am using now 

"

"