message: Add FB messenger profile payment settings
diff: @@ -614,6 +614,18 @@ function Facebookbot(configuration) {
  get_home_url: function(cb) {
  return facebook_botkit.api.messenger_profile.getAPI('home_url', cb);
  },
  + payment_settings: function(payload) {
  + var message = {
  + payment_settings: payload
  + };
  + return facebook_botkit.api.messenger_profile.postAPI(message);
  + },
  + delete_payment_settings: function() {
  + return facebook_botkit.api.messenger_profile.deleteAPI('payment_settings');
  + },
  + get_payment_settings: function(cb) {
  + return facebook_botkit.api.messenger_profile.getAPI('payment_settings', cb);
  + },
  postAPI: function(message) {
  return new Promise(function(resolve, reject) {
  var uri = 'https://' + api_host + '/' + api_version + '/me/messenger_profile?access_token=' + configuration.access_token;
  