Here is the scenario.

1. Have a button action in the employee master.
2. in the button action, updating some field values then returning to email composer.
3. In the email composer, modify the email content and send the mail. 
4. Closing the email composer.

Here is the scenario i need.

1. Click on the button.
2. Pop up the email composer.
3. Modify the email content and send the email.
4. Then perform some actions in the button action which mentioned in the 1st step.
   

Is it possible to achieve?