How to define/personalize an if-else condition in an AJO API Trigger Campaign email template to return the values of {{context.make}} and {{context.model}} only if they exist(true). If only one exists(true), return that one; if both exist(true), return both.
{ "context":
{
“make” =“true”,
"make"= "a",
”model”=“true”,
"model"="b" } }