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Can we access controller for setting subject in classic email template
<messaging:emailTemplate subject="a" recipientType="Contact" relatedToType="Account" >
<messaging:htmlEmailBody >
</messaging:htmlEmailBody>
</messaging:emailTemplate>
Above is the generic email content available when we create a new visualforce email template.
Here for my body I can use visualforce component and a controller and happily render the data in it dynamically.
But how to dynamically render the subject dynamically. I know we can {!IF(, , ,)} condition and do it but that do not suffice in my requirement.
Is it possible to call the controller in the messaging:emailsubject ?