I just want to know why when I send variables using a template, the Mailjet API doesn't replace them, even the fakeFirstname doesn't show. I just see {{var:Firs
Is it possible to conditionally check and decide if var:<my_var> is null | not null? I am might be missing something obvious, but so far did not find how
I use the Mailjet API PHP library. And I want to send an email with a template. How can I add template parameters to my function sendEmail? Thanks