signup.swift

let employee : [String: AnyObject] = ["first_name": firstNameTextField.text! as AnyObject, "last_name": lastNameTextField.text! as AnyObject, "middle_name": middleNameTextField.text! as AnyObject, "email_id": emailTextField.text! as AnyObject, "encrypted_password": passwordTextField.text! as AnyObject]
    let organization : [String: AnyObject] = ["org_name": orgNameTextField.text! as AnyObject, "location_id": (selectedCountry?.value)! as AnyObject, "address": orgAddressTextField.text! as AnyObject, "city": cityTextField.text! as AnyObject, "state": stateTextField.text! as AnyObject, "country": countryTextField.text! as AnyObject, "email": orgEmailTextField.text! as AnyObject]
    let params : [String: [String: AnyObject]] = ["employee": employee as [String: AnyObject], "organisation": organization as [String: AnyObject]]
// this is the alamofire api call
 Alamofire.request(signUpUrl, method: .post, parameters: params, encoding: URLEncoding.default, headers: nil).responseJSON { (responseData) -> Void in
      print(responseData.response)
      print(responseData.result.value)
      switch responseData.result {
      case .failure(let error):
        print(error.localizedDescription)
      case .success( _):
        if((responseData.result.value) != nil) {
          let swiftyJsonVar = JSON(responseData.result.value!)
          print(swiftyJsonVar)
          //self.showAndHideViews(view: 4)
        }
      }
    }

// this is the urlDataTask api call

var jsonDict = [String: AnyObject]()
      Utils.makeHTTPPostRequest(path: signUpUrl, body: params as [String : AnyObject], onCompletion: { JSON, error -> Void in
        guard error == nil else {
          DispatchQueue.main.async(execute: {
            print("error")
          })
          return
        }
        print(JSON)
        if let dictJson = JSON.dictionaryObject {
          jsonDict = dictJson as [String : AnyObject]
        }
        if let err = jsonDict["error"] {
          DispatchQueue.main.async(execute: {
            print("error")
          })
          return
        } else {
          print("success")
        }
      })