index.js
function (name, value, options) {
        $this._multipart.push({
          name: name,
          value: value,
          options: options,
          attachment: options.attachment || false
        })
      }
function (name, value, options) {
        $this._multipart.push({
          name: name,
          value: value,
          options: options,
          attachment: options.attachment || false
        })
      }
function ( name , value , options ) { $this . _multipart . push ( { name : name , value : value , options : options , attachment : options . attachment || false } ) }
Attaches field to the multipart-form request, with no pre-processing.

@param  {String} name
@param  {String|Object} path
@param  {Object} options
@return {Object}
Attaches field to the multipart - form request with no pre - processing .