workflow question: multiple variables from JS node into email template

[Michael_Soprano]

I am using Campaign V8 client console.

My workflow looks like this:

As an output of JS node in workflow I have these variables - I assume that these become workflow variables:

instance.vars.x1 = price1;
instance.vars.x2 = name1;
instance.vars.x3 = image1;

In the delivery script node I put something like this:

Then I would like to use them in the template. More or less like this: 

Could you tell me why its not working?