Get Logged in User of the person clicking the Webhook Smart Button

[afabozzi]

I am trying to follow this blog to add a custom queries value at the end of the HTTP request generated URL in power automate but it only returns the string value I enter instead of populating @me as the persons email address. Is there a way to pass on the email or GUID of the user executing the button?

I have tried the following two URLs but it only returns the string value and does not actually return the email address.
https://prod-88.westus.logic.azure.com:443/workflows/4c26xxxxxx....&emailaddress=%40me
https://prod-88.westus.logic.azure.com:443/workflows/4c26xxxxxx....&emailaddress=@me