text: 'use strict';
  
  /* jshint ignore:start */
  /**
   * This code was generated by
   * \ / _    _  _|   _  _
   *  | (_)\/(_)(_|\/| |(/_  v1.0.0
   *       /       /
   */
  /* jshint ignore:end */
  
  var Q = require('q');  /* jshint ignore:line */
  var _ = require('lodash');  /* jshint ignore:line */
  var util = require('util');  /* jshint ignore:line */
  var Page = require('../../../base/Page');  /* jshint ignore:line */
  var deserialize = require(
      '../../../base/deserialize');  /* jshint ignore:line */
  var serialize = require('../../../base/serialize');  /* jshint ignore:line */
  var values = require('../../../base/values');  /* jshint ignore:line */
  
  var CompositionHookList;
  var CompositionHookPage;
  var CompositionHookInstance;
  var CompositionHookContext;
  
  /* jshint ignore:start */
  /**
   * Initialize the CompositionHookList
   *
   * PLEASE NOTE that this class contains preview products that are subject to
   * change. Use them with caution. If you currently do not have developer preview
   * access, please contact help@twilio.com.
   *
   * @constructor Twilio.Video.V1.CompositionHookList
   *
   * @param {Twilio.Video.V1} version - Version of the resource
   */
  /* jshint ignore:end */
  CompositionHookList = function CompositionHookList(version) {
    /* jshint ignore:start */
    /**
     * @function compositionHooks
     * @memberof Twilio.Video.V1#
     *
     * @param {string} sid - sid of instance
     *
     * @returns {Twilio.Video.V1.CompositionHookContext}
     */
    /* jshint ignore:end */
    function CompositionHookListInstance(sid) {
      return CompositionHookListInstance.get(sid);
    }
  
    CompositionHookListInstance._version = version;
    // Path Solution
    CompositionHookListInstance._solution = {};
    CompositionHookListInstance._uri = `/CompositionHooks`;
    /* jshint ignore:start */
    /**
     * Streams CompositionHookInstance records from the API.
     *
     * This operation lazily loads records as efficiently as possible until the limit
     * is reached.
     *
     * The results are passed into the callback function, so this operation is memory
     * efficient.
     *
     * If a function is passed as the first argument, it will be used as the callback
     * function.
     *
     * @function each
     * @memberof Twilio.Video.V1.CompositionHookList#
     *
     * @param {object} [opts] - Options for request
     * @param {boolean} [opts.enabled] -
     *          Only show Composition Hooks enabled or disabled.
     * @param {Date} [opts.dateCreatedAfter] -
     *          Only show Composition Hooks created on or after this ISO8601 date-time with timezone.
     * @param {Date} [opts.dateCreatedBefore] -
     *          Only show Composition Hooks created before this ISO8601 date-time with timezone.
     * @param {string} [opts.friendlyName] -
     *          Only show Composition Hooks with friendly name that match this name.
     * @param {number} [opts.limit] -
     *         Upper limit for the number of records to return.
     *         each() guarantees never to return more than limit.
     *         Default is no limit
     * @param {number} [opts.pageSize] -
     *         Number of records to fetch per request,
     *         when not set will use the default value of 50 records.
     *         If no pageSize is defined but a limit is defined,
     *         each() will attempt to read the limit with the most efficient
     *         page size, i.e. min(limit, 1000)
     * @param {Function} [opts.callback] -
     *         Function to process each record. If this and a positional
     *         callback are passed, this one will be used
     * @param {Function} [opts.done] -
     *          Function to be called upon completion of streaming
     * @param {Function} [callback] - Function to process each record
     */
    /* jshint ignore:end */
    CompositionHookListInstance.each = function each(opts, callback) {
      if (_.isFunction(opts)) {
        callback = opts;
        opts = {};
      }
      opts = opts || {};
      if (opts.callback) {
        callback = opts.callback;
      }
      if (_.isUndefined(callback)) {
        throw new Error('Callback function must be provided');
      }
  
      var done = false;
      var currentPage = 1;
      var currentResource = 0;
      var limits = this._version.readLimits({
        limit: opts.limit,
        pageSize: opts.pageSize
      });
  
      function onComplete(error) {
        done = true;
        if (_.isFunction(opts.done)) {
          opts.done(error);
        }
      }
  
      function fetchNextPage(fn) {
        var promise = fn();
        if (_.isUndefined(promise)) {
          onComplete();
          return;
        }
  
        promise.then(function(page) {
          _.each(page.instances, function(instance) {
            if (done || (!_.isUndefined(opts.limit) && currentResource >= opts.limit)) {
              done = true;
              return false;
            }
  
            currentResource++;
            callback(instance, onComplete);
          });
  
          if ((limits.pageLimit && limits.pageLimit <= currentPage)) {
            onComplete();
          } else if (!done) {
            currentPage++;
            fetchNextPage(_.bind(page.nextPage, page));
          }
        });
  
        promise.catch(onComplete);
      }
  
      fetchNextPage(_.bind(this.page, this, _.merge(opts, limits)));
    };
  
    /* jshint ignore:start */
    /**
     * Lists CompositionHookInstance records from the API as a list.
     *
     * If a function is passed as the first argument, it will be used as the callback
     * function.
     *
     * @function list
     * @memberof Twilio.Video.V1.CompositionHookList#
     *
     * @param {object} [opts] - Options for request
     * @param {boolean} [opts.enabled] -
     *          Only show Composition Hooks enabled or disabled.
     * @param {Date} [opts.dateCreatedAfter] -
     *          Only show Composition Hooks created on or after this ISO8601 date-time with timezone.
     * @param {Date} [opts.dateCreatedBefore] -
     *          Only show Composition Hooks created before this ISO8601 date-time with timezone.
     * @param {string} [opts.friendlyName] -
     *          Only show Composition Hooks with friendly name that match this name.
     * @param {number} [opts.limit] -
     *         Upper limit for the number of records to return.
     *         list() guarantees never to return more than limit.
     *         Default is no limit
     * @param {number} [opts.pageSize] -
     *         Number of records to fetch per request,
     *         when not set will use the default value of 50 records.
     *         If no page_size is defined but a limit is defined,
     *         list() will attempt to read the limit with the most
     *         efficient page size, i.e. min(limit, 1000)
     * @param {function} [callback] - Callback to handle list of records
     *
     * @returns {Promise} Resolves to a list of records
     */
    /* jshint ignore:end */
    CompositionHookListInstance.list = function list(opts, callback) {
      if (_.isFunction(opts)) {
        callback = opts;
        opts = {};
      }
      opts = opts || {};
      var deferred = Q.defer();
      var allResources = [];
      opts.callback = function(resource, done) {
        allResources.push(resource);
  
        if (!_.isUndefined(opts.limit) && allResources.length === opts.limit) {
          done();
        }
      };
  
      opts.done = function(error) {
        if (_.isUndefined(error)) {
          deferred.resolve(allResources);
        } else {
          deferred.reject(error);
        }
      };
  
      if (_.isFunction(callback)) {
        deferred.promise.nodeify(callback);
      }
  
      this.each(opts);
      return deferred.promise;
    };
  
    /* jshint ignore:start */
    /**
     * Retrieve a single page of CompositionHookInstance records from the API.
     *
     * The request is executed immediately.
     *
     * If a function is passed as the first argument, it will be used as the callback
     * function.
     *
     * @function page
     * @memberof Twilio.Video.V1.CompositionHookList#
     *
     * @param {object} [opts] - Options for request
     * @param {boolean} [opts.enabled] -
     *          Only show Composition Hooks enabled or disabled.
     * @param {Date} [opts.dateCreatedAfter] -
     *          Only show Composition Hooks created on or after this ISO8601 date-time with timezone.
     * @param {Date} [opts.dateCreatedBefore] -
     *          Only show Composition Hooks created before this ISO8601 date-time with timezone.
     * @param {string} [opts.friendlyName] -
     *          Only show Composition Hooks with friendly name that match this name.
     * @param {string} [opts.pageToken] - PageToken provided by the API
     * @param {number} [opts.pageNumber] -
     *          Page Number, this value is simply for client state
     * @param {number} [opts.pageSize] - Number of records to return, defaults to 50
     * @param {function} [callback] - Callback to handle list of records
     *
     * @returns {Promise} Resolves to a list of records
     */
    /* jshint ignore:end */
    CompositionHookListInstance.page = function page(opts, callback) {
      if (_.isFunction(opts)) {
        callback = opts;
        opts = {};
      }
      opts = opts || {};
  
      var deferred = Q.defer();
      var data = values.of({
        'Enabled': serialize.bool(_.get(opts, 'enabled')),
        'DateCreatedAfter': serialize.iso8601DateTime(_.get(opts, 'dateCreatedAfter')),
        'DateCreatedBefore': serialize.iso8601DateTime(_.get(opts, 'dateCreatedBefore')),
        'FriendlyName': _.get(opts, 'friendlyName'),
        'PageToken': opts.pageToken,
        'Page': opts.pageNumber,
        'PageSize': opts.pageSize
      });
  
      var promise = this._version.page({uri: this._uri, method: 'GET', params: data});
  
      promise = promise.then(function(payload) {
        deferred.resolve(new CompositionHookPage(this._version, payload, this._solution));
      }.bind(this));
  
      promise.catch(function(error) {
        deferred.reject(error);
      });
  
      if (_.isFunction(callback)) {
        deferred.promise.nodeify(callback);
      }
  
      return deferred.promise;
    };
  
    /* jshint ignore:start */
    /**
     * Retrieve a single target page of CompositionHookInstance records from the API.
     *
     * The request is executed immediately.
     *
     * If a function is passed as the first argument, it will be used as the callback
     * function.
     *
     * @function getPage
     * @memberof Twilio.Video.V1.CompositionHookList#
     *
     * @param {string} [targetUrl] - API-generated URL for the requested results page
     * @param {function} [callback] - Callback to handle list of records
     *
     * @returns {Promise} Resolves to a list of records
     */
    /* jshint ignore:end */
    CompositionHookListInstance.getPage = function getPage(targetUrl, callback) {
      var deferred = Q.defer();
  
      var promise = this._version._domain.twilio.request({method: 'GET', uri: targetUrl});
  
      promise = promise.then(function(payload) {
        deferred.resolve(new CompositionHookPage(this._version, payload, this._solution));
      }.bind(this));
  
      promise.catch(function(error) {
        deferred.reject(error);
      });
  
      if (_.isFunction(callback)) {
        deferred.promise.nodeify(callback);
      }
  
      return deferred.promise;
    };
  
    /* jshint ignore:start */
    /**
     * create a CompositionHookInstance
     *
     * @function create
     * @memberof Twilio.Video.V1.CompositionHookList#
     *
     * @param {object} opts - Options for request
     * @param {string} opts.friendlyName -
     *          Friendly name of the Composition Hook to be shown in the console.
     * @param {boolean} [opts.enabled] -
     *          Boolean flag indicating if the Composition Hook is active.
     * @param {object} [opts.videoLayout] - The JSON video layout description.
     * @param {string|list} [opts.audioSources] -
     *          A list of audio sources related to this Composition Hook.
     * @param {string|list} [opts.audioSourcesExcluded] -
     *          A list of audio sources excluded related to this Composition Hook.
     * @param {string} [opts.resolution] - Pixel resolution of the composed video.
     * @param {composition_hook.format} [opts.format] -
     *          Container format of the Composition Hook media file. Any of the following: `mp4`, `webm`.
     * @param {string} [opts.statusCallback] -
     *          A URL that Twilio sends asynchronous webhook requests to on every composition event.
     * @param {string} [opts.statusCallbackMethod] -
     *          HTTP method Twilio should use when requesting the above URL.
     * @param {boolean} [opts.trim] -
     *          Boolean flag for clipping intervals that have no media.
     * @param {function} [callback] - Callback to handle processed record
     *
     * @returns {Promise} Resolves to processed CompositionHookInstance
     */
    /* jshint ignore:end */
    CompositionHookListInstance.create = function create(opts, callback) {
      if (_.isUndefined(opts)) {
        throw new Error('Required parameter "opts" missing.');
      }
      if (_.isUndefined(opts.friendlyName)) {
        throw new Error('Required parameter "opts.friendlyName" missing.');
      }
  
      var deferred = Q.defer();
      var data = values.of({
        'FriendlyName': _.get(opts, 'friendlyName'),
        'Enabled': serialize.bool(_.get(opts, 'enabled')),
        'VideoLayout': serialize.object(_.get(opts, 'videoLayout')),
        'AudioSources': serialize.map(_.get(opts, 'audioSources'), function(e) { return e; }),
        'AudioSourcesExcluded': serialize.map(_.get(opts, 'audioSourcesExcluded'), function(e) { return e; }),
        'Resolution': _.get(opts, 'resolution'),
        'Format': _.get(opts, 'format'),
        'StatusCallback': _.get(opts, 'statusCallback'),
        'StatusCallbackMethod': _.get(opts, 'statusCallbackMethod'),
        'Trim': serialize.bool(_.get(opts, 'trim'))
      });
  
      var promise = this._version.create({uri: this._uri, method: 'POST', data: data});
  
      promise = promise.then(function(payload) {
        deferred.resolve(new CompositionHookInstance(this._version, payload, this._solution.sid));
      }.bind(this));
  
      promise.catch(function(error) {
        deferred.reject(error);
      });
  
      if (_.isFunction(callback)) {
        deferred.promise.nodeify(callback);
      }
  
      return deferred.promise;
    };
  
    /* jshint ignore:start */
    /**
     * Constructs a composition_hook
     *
     * @function get
     * @memberof Twilio.Video.V1.CompositionHookList#
     *
     * @param {string} sid -
     *          The Composition Hook Sid that uniquely identifies the Composition Hook to fetch.
     *
     * @returns {Twilio.Video.V1.CompositionHookContext}
     */
    /* jshint ignore:end */
    CompositionHookListInstance.get = function get(sid) {
      return new CompositionHookContext(this._version, sid);
    };
  
    /* jshint ignore:start */
    /**
     * Provide a user-friendly representation
     *
     * @function toJSON
     * @memberof Twilio.Video.V1.CompositionHookList#
     *
     * @returns Object
     */
    /* jshint ignore:end */
    CompositionHookListInstance.toJSON = function toJSON() {
      return this._solution;
    };
  
    CompositionHookListInstance[util.inspect.custom] = function inspect(depth,
        options) {
      return util.inspect(this.toJSON(), options);
    };
  
    return CompositionHookListInstance;
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the CompositionHookPage
   *
   * PLEASE NOTE that this class contains preview products that are subject to
   * change. Use them with caution. If you currently do not have developer preview
   * access, please contact help@twilio.com.
   *
   * @constructor Twilio.Video.V1.CompositionHookPage
   *
   * @param {V1} version - Version of the resource
   * @param {Response<string>} response - Response from the API
   * @param {CompositionHookSolution} solution - Path solution
   *
   * @returns CompositionHookPage
   */
  /* jshint ignore:end */
  CompositionHookPage = function CompositionHookPage(version, response, solution)
                                                      {
    // Path Solution
    this._solution = solution;
  
    Page.prototype.constructor.call(this, version, response, this._solution);
  };
  
  _.extend(CompositionHookPage.prototype, Page.prototype);
  CompositionHookPage.prototype.constructor = CompositionHookPage;
  
  /* jshint ignore:start */
  /**
   * Build an instance of CompositionHookInstance
   *
   * @function getInstance
   * @memberof Twilio.Video.V1.CompositionHookPage#
   *
   * @param {CompositionHookPayload} payload - Payload response from the API
   *
   * @returns CompositionHookInstance
   */
  /* jshint ignore:end */
  CompositionHookPage.prototype.getInstance = function getInstance(payload) {
    return new CompositionHookInstance(this._version, payload);
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Video.V1.CompositionHookPage#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  CompositionHookPage.prototype.toJSON = function toJSON() {
    let clone = {};
    _.forOwn(this, function(value, key) {
      if (!_.startsWith(key, '_') && ! _.isFunction(value)) {
        clone[key] = value;
      }
    });
    return clone;
  };
  
  CompositionHookPage.prototype[util.inspect.custom] = function inspect(depth,
      options) {
    return util.inspect(this.toJSON(), options);
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the CompositionHookContext
   *
   * PLEASE NOTE that this class contains preview products that are subject to
   * change. Use them with caution. If you currently do not have developer preview
   * access, please contact help@twilio.com.
   *
   * @constructor Twilio.Video.V1.CompositionHookInstance
   *
   * @property {string} accountSid - Twilio Account SID.
   * @property {string} friendlyName -
   *          Friendly name of the Composition Hook to be shown in the console.
   * @property {boolean} enabled -
   *          Boolean flag indicating if the Composition Hook is active.
   * @property {Date} dateCreated -
   *          Date when the Composition Hook Resource was created.
   * @property {string} dateUpdated -
   *          Date when the Composition Hook was last updated.
   * @property {string} sid -
   *          A 34-character string that uniquely identifies this Composition Hook.
   * @property {string} audioSources -
   *          A list of audio sources related to this Composition Hook.
   * @property {string} audioSourcesExcluded -
   *          A list of audio sources excluded related to this Composition Hook.
   * @property {object} videoLayout - The JSON video layout description.
   * @property {string} resolution - Pixel resolution of the composed video.
   * @property {boolean} trim -
   *          Boolean flag for clipping intervals that have no media.
   * @property {composition_hook.format} format -
   *          The file format for the Compositions triggered by the Composition Hook.
   * @property {string} statusCallback -
   *          A URL that Twilio sends asynchronous webhook requests to on every composition event.
   * @property {string} statusCallbackMethod -
   *          HTTP method Twilio should use when requesting the above URL.
   * @property {string} url - The absolute URL for this resource.
   *
   * @param {V1} version - Version of the resource
   * @param {CompositionHookPayload} payload - The instance payload
   * @param {sid} sid -
   *          The Composition Hook Sid that uniquely identifies the Composition Hook to fetch.
   */
  /* jshint ignore:end */
  CompositionHookInstance = function CompositionHookInstance(version, payload,
                                                              sid) {
    this._version = version;
  
    // Marshaled Properties
    this.accountSid = payload.account_sid; // jshint ignore:line
    this.friendlyName = payload.friendly_name; // jshint ignore:line
    this.enabled = payload.enabled; // jshint ignore:line
    this.dateCreated = deserialize.iso8601DateTime(payload.date_created); // jshint ignore:line
    this.dateUpdated = payload.date_updated; // jshint ignore:line
    this.sid = payload.sid; // jshint ignore:line
    this.audioSources = payload.audio_sources; // jshint ignore:line
    this.audioSourcesExcluded = payload.audio_sources_excluded; // jshint ignore:line
    this.videoLayout = payload.video_layout; // jshint ignore:line
    this.resolution = payload.resolution; // jshint ignore:line
    this.trim = payload.trim; // jshint ignore:line
    this.format = payload.format; // jshint ignore:line
    this.statusCallback = payload.status_callback; // jshint ignore:line
    this.statusCallbackMethod = payload.status_callback_method; // jshint ignore:line
    this.url = payload.url; // jshint ignore:line
  
    // Context
    this._context = undefined;
    this._solution = {sid: sid || this.sid, };
  };
  
  Object.defineProperty(CompositionHookInstance.prototype,
    '_proxy', {
    get: function() {
      if (!this._context) {
        this._context = new CompositionHookContext(this._version, this._solution.sid);
      }
  
      return this._context;
    }
  });
  
  /* jshint ignore:start */
  /**
   * fetch a CompositionHookInstance
   *
   * @function fetch
   * @memberof Twilio.Video.V1.CompositionHookInstance#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed CompositionHookInstance
   */
  /* jshint ignore:end */
  CompositionHookInstance.prototype.fetch = function fetch(callback) {
    return this._proxy.fetch(callback);
  };
  
  /* jshint ignore:start */
  /**
   * remove a CompositionHookInstance
   *
   * @function remove
   * @memberof Twilio.Video.V1.CompositionHookInstance#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed CompositionHookInstance
   */
  /* jshint ignore:end */
  CompositionHookInstance.prototype.remove = function remove(callback) {
    return this._proxy.remove(callback);
  };
  
  /* jshint ignore:start */
  /**
   * update a CompositionHookInstance
   *
   * @function update
   * @memberof Twilio.Video.V1.CompositionHookInstance#
   *
   * @param {object} opts - Options for request
   * @param {string} opts.friendlyName -
   *          Friendly name of the Composition Hook to be shown in the console.
   * @param {boolean} [opts.enabled] -
   *          Boolean flag indicating if the Composition Hook is active.
   * @param {object} [opts.videoLayout] - The JSON video layout description.
   * @param {string|list} [opts.audioSources] -
   *          A list of audio sources related to this Composition Hook.
   * @param {string|list} [opts.audioSourcesExcluded] -
   *          A list of audio sources excluded related to this Composition Hook.
   * @param {boolean} [opts.trim] -
   *          Boolean flag for clipping intervals that have no media.
   * @param {composition_hook.format} [opts.format] -
   *          Container format of the Composition Hook media file. Any of the following: `mp4`, `webm`.
   * @param {string} [opts.resolution] - Pixel resolution of the composed video.
   * @param {string} [opts.statusCallback] -
   *          A URL that Twilio sends asynchronous webhook requests to on every composition event.
   * @param {string} [opts.statusCallbackMethod] -
   *          HTTP method Twilio should use when requesting the above URL.
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed CompositionHookInstance
   */
  /* jshint ignore:end */
  CompositionHookInstance.prototype.update = function update(opts, callback) {
    return this._proxy.update(opts, callback);
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Video.V1.CompositionHookInstance#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  CompositionHookInstance.prototype.toJSON = function toJSON() {
    let clone = {};
    _.forOwn(this, function(value, key) {
      if (!_.startsWith(key, '_') && ! _.isFunction(value)) {
        clone[key] = value;
      }
    });
    return clone;
  };
  
  CompositionHookInstance.prototype[util.inspect.custom] = function inspect(depth,
      options) {
    return util.inspect(this.toJSON(), options);
  };
  
  
  /* jshint ignore:start */
  /**
   * Initialize the CompositionHookContext
   *
   * PLEASE NOTE that this class contains preview products that are subject to
   * change. Use them with caution. If you currently do not have developer preview
   * access, please contact help@twilio.com.
   *
   * @constructor Twilio.Video.V1.CompositionHookContext
   *
   * @param {V1} version - Version of the resource
   * @param {sid} sid -
   *          The Composition Hook Sid that uniquely identifies the Composition Hook to fetch.
   */
  /* jshint ignore:end */
  CompositionHookContext = function CompositionHookContext(version, sid) {
    this._version = version;
  
    // Path Solution
    this._solution = {sid: sid, };
    this._uri = `/CompositionHooks/${sid}`;
  };
  
  /* jshint ignore:start */
  /**
   * fetch a CompositionHookInstance
   *
   * @function fetch
   * @memberof Twilio.Video.V1.CompositionHookContext#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed CompositionHookInstance
   */
  /* jshint ignore:end */
  CompositionHookContext.prototype.fetch = function fetch(callback) {
    var deferred = Q.defer();
    var promise = this._version.fetch({uri: this._uri, method: 'GET'});
  
    promise = promise.then(function(payload) {
      deferred.resolve(new CompositionHookInstance(this._version, payload, this._solution.sid));
    }.bind(this));
  
    promise.catch(function(error) {
      deferred.reject(error);
    });
  
    if (_.isFunction(callback)) {
      deferred.promise.nodeify(callback);
    }
  
    return deferred.promise;
  };
  
  /* jshint ignore:start */
  /**
   * remove a CompositionHookInstance
   *
   * @function remove
   * @memberof Twilio.Video.V1.CompositionHookContext#
   *
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed CompositionHookInstance
   */
  /* jshint ignore:end */
  CompositionHookContext.prototype.remove = function remove(callback) {
    var deferred = Q.defer();
    var promise = this._version.remove({uri: this._uri, method: 'DELETE'});
  
    promise = promise.then(function(payload) {
      deferred.resolve(payload);
    }.bind(this));
  
    promise.catch(function(error) {
      deferred.reject(error);
    });
  
    if (_.isFunction(callback)) {
      deferred.promise.nodeify(callback);
    }
  
    return deferred.promise;
  };
  
  /* jshint ignore:start */
  /**
   * update a CompositionHookInstance
   *
   * @function update
   * @memberof Twilio.Video.V1.CompositionHookContext#
   *
   * @param {object} opts - Options for request
   * @param {string} opts.friendlyName -
   *          Friendly name of the Composition Hook to be shown in the console.
   * @param {boolean} [opts.enabled] -
   *          Boolean flag indicating if the Composition Hook is active.
   * @param {object} [opts.videoLayout] - The JSON video layout description.
   * @param {string|list} [opts.audioSources] -
   *          A list of audio sources related to this Composition Hook.
   * @param {string|list} [opts.audioSourcesExcluded] -
   *          A list of audio sources excluded related to this Composition Hook.
   * @param {boolean} [opts.trim] -
   *          Boolean flag for clipping intervals that have no media.
   * @param {composition_hook.format} [opts.format] -
   *          Container format of the Composition Hook media file. Any of the following: `mp4`, `webm`.
   * @param {string} [opts.resolution] - Pixel resolution of the composed video.
   * @param {string} [opts.statusCallback] -
   *          A URL that Twilio sends asynchronous webhook requests to on every composition event.
   * @param {string} [opts.statusCallbackMethod] -
   *          HTTP method Twilio should use when requesting the above URL.
   * @param {function} [callback] - Callback to handle processed record
   *
   * @returns {Promise} Resolves to processed CompositionHookInstance
   */
  /* jshint ignore:end */
  CompositionHookContext.prototype.update = function update(opts, callback) {
    if (_.isUndefined(opts)) {
      throw new Error('Required parameter "opts" missing.');
    }
    if (_.isUndefined(opts.friendlyName)) {
      throw new Error('Required parameter "opts.friendlyName" missing.');
    }
  
    var deferred = Q.defer();
    var data = values.of({
      'FriendlyName': _.get(opts, 'friendlyName'),
      'Enabled': serialize.bool(_.get(opts, 'enabled')),
      'VideoLayout': serialize.object(_.get(opts, 'videoLayout')),
      'AudioSources': serialize.map(_.get(opts, 'audioSources'), function(e) { return e; }),
      'AudioSourcesExcluded': serialize.map(_.get(opts, 'audioSourcesExcluded'), function(e) { return e; }),
      'Trim': serialize.bool(_.get(opts, 'trim')),
      'Format': _.get(opts, 'format'),
      'Resolution': _.get(opts, 'resolution'),
      'StatusCallback': _.get(opts, 'statusCallback'),
      'StatusCallbackMethod': _.get(opts, 'statusCallbackMethod')
    });
  
    var promise = this._version.update({uri: this._uri, method: 'POST', data: data});
  
    promise = promise.then(function(payload) {
      deferred.resolve(new CompositionHookInstance(this._version, payload, this._solution.sid));
    }.bind(this));
  
    promise.catch(function(error) {
      deferred.reject(error);
    });
  
    if (_.isFunction(callback)) {
      deferred.promise.nodeify(callback);
    }
  
    return deferred.promise;
  };
  
  /* jshint ignore:start */
  /**
   * Provide a user-friendly representation
   *
   * @function toJSON
   * @memberof Twilio.Video.V1.CompositionHookContext#
   *
   * @returns Object
   */
  /* jshint ignore:end */
  CompositionHookContext.prototype.toJSON = function toJSON() {
    return this._solution;
  };
  
  CompositionHookContext.prototype[util.inspect.custom] = function inspect(depth,
      options) {
    return util.inspect(this.toJSON(), options);
  };
  
  module.exports = {
    CompositionHookList: CompositionHookList,
    CompositionHookPage: CompositionHookPage,
    CompositionHookInstance: CompositionHookInstance,
    CompositionHookContext: CompositionHookContext
  };
  