The dynamic email feature is designed to make the emails even more communicating and keep them updated by showing the up to date content.
It allows users to execute multiple tasks without leaving the message. For instance, this feature of Gmail makes it possible for users to do below given tasks mentioned under, have a look.
1. You can accept or decline invitations to an event
2. Easily fill out the surveys, and opinion poll
3. Look through online catalogs
4. Answer to comments in Google Docs
The dynamic messages will check and recover any updates whenever the emails are opened and show them to the user right away. They will get invigorated consequently with the goal that the most recent update from the remote servers appears. In light of the dynamic idea of these messages, the content showed in Gmail may change with time.
More information read here - https://gmail.phonesupportnumbers.com/