Is there a way to do this sort of IF THEN merge?

I'd like to display either:

$FirstName,     ,,,---- note the comma

Use Case:

Subject:     Bob,  How to improve your speech & Language
Subject:  How to improve your speech & language

MrAnalogy, 1 year ago

I just read about dynamic content.
sounds like this is the solution:

[if:FirstName][firstname,fallback=], [endif]How's it going?so if FirstName=Clay then i'd get:
Clay, How's it going?
if FirstName not set then I get
How's it going?

davidaf davidaf, 1 year ago

MrAnalogy nailed it!

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