code: function (options) {
  
              if (typeof options === 'object') {
  
                  // Add implementation-specific method prefix (dashboard or app)
                  options.name = this.prefix + '.' + options.name;
                  return this.transport.send(options);
              }  else {
                  throw new Error('Transport options must be an object.');
              }
          }
docs: Factory for all SDK method calls.
  
  @param {MethodCall|*} options
  @returns {number} callId