Converting email body as Ticket Description

Converting email body as Ticket Description

Good Day

We are currently creating tickets from EMAIL and exploring workflow option for handling tickets automatically. One of our use case is to check a unique content from the body of an email and update the status of the created ticket for which we were not able to identify find a relative field to achieve that. So, is there a way the email body can be translated as ticket description when creating a ticket. Else what are other options to achieve our workflow