Creating JSON in Swift (Playground)

create-json.swift

//: Playground - noun: a place where people can play

import UIKit

//[{
//    "508d49e5d7200200b96d45a3ce6103c4":[{ // filter widget id
//        "table":"incident",
//        "filter":"categoryINsoftware"
//    }],
//    "id":”508d49e5d7200200b96d45a3ce6103c4” // filter widget id
//}]

let filterParameters: [String: String] = [
    "table": "incident",
    "filter": "categoryINsoftware"
]

let filter: [String: Any] = [
    "508d49e5d7200200b96d45a3ce6103c4": [filterParameters],
    "id": "508d49e5d7200200b96d45a3ce6103c4"
]

let json: [Any] = [filter]

let valid = JSONSerialization.isValidJSONObject(json) // true
do {
    let jsonData = try JSONSerialization.data(withJSONObject: json, options: [])
    let jsonString = String(data: jsonData, encoding: .utf8)!
    print(jsonString)
} catch let error {
    print("error")
}