docs: function(cb) {
          var self = this,
              carbonParams = {
                  type: 'set',
                  from: self.helpers.getUserCurrentJid(),
                  id: chatUtils.getUniqueId('enableCarbons')
              },
              builder = Utils.getEnv().browser ? $iq : XMPP.Stanza;
  
          var iq = chatUtils.createStanza(builder, carbonParams, 'iq');
  
          iq.c('enable', {
              xmlns: chatUtils.MARKERS.CARBONS
          });
  
          if (Utils.getEnv().browser) {
              self.connection.sendIQ(iq);
          } else {
              self.Client.send(iq);
          }
      }