If you are looking to extract one or multiple email addresses from within your email - whether that is the body, headers, or attachments of emails follow the steps below.
First choose the Data Source of the data - this can be the Subject, Body, Attachment or Headers of the email - in the example below it is the BODY of the email.
If there is only one email address in the content of the email you can then simply add in the filter for Find Entities Find Email Addresses
This will find any email addresses within the entire original content of the email - if there are other email addresses within the content you do not want to extract then before applying this filter you may want to add in a start position and end position filter to isolate the are of the email where the required email location.
Once the Find Email Addresses filter is applied you will see a table returned with the email data.
This filter can also be used as a way to verify proper email formatting before sending through integrations webhooks.