{ "employee":
  [ { "name": { "first": "John", "last": "Doe" } }
  , { "name": { "first": "Omar", "last": "Smith" }
    , "salary": "30000" }
  , { "name": { "first": "Sara", "last": "Chen" }
    , "salary": "60000" }
  ]
}
.
$for(employee)$
Hi, $it.name.first$. $if(it.salary)$You make $$$it.salary$.$else$No salary data.$endif$
$endfor$
.
Hi, John. No salary data.
Hi, Omar. You make $30000.
Hi, Sara. You make $60000.