Hi Charan,
did you specify the DataObject from where the placeholder token values will be extracted?
refer for more details and sample Microflow & Java Action : https://docs.mendix.com/appstore/connectors/email-connector/#432-creating-an-email-message-from-a-template
Hi,
you can refer the Sending an Email with a Template docs where the tokens needs to be passed.
Doc:
https://docs.mendix.com/appstore/connectors/email-connector/#433-sending-an-email-with-a-template