Async Post
When you set async as true you post will send in async mode.
{
"id":"mainForm",
"type":"form",
"method":"post",
"async":true,
"headers":{
"Content-Type":"application/json"
},
"onResult":"f3",
"onError":"f2",
"action":"https://your.api/post",
"children":[/*Children*/]
}