docs: function(jid_or_user_id) {
          var self = this,
              stanzaParams = {
                  from: self.helpers.getUserCurrentJid(),
                  to: this.helpers.jidOrUserId(jid_or_user_id),
                  type: this.helpers.typeChat(jid_or_user_id)
              },
              builder = Utils.getEnv().browser ? $msg : XMPP.Stanza;
  
          var stanza = chatUtils.createStanza(builder, stanzaParams);
  
          stanza.c('composing', {
              xmlns: chatUtils.MARKERS.STATES
          });
  
          if(Utils.getEnv().browser){
              self.connection.send(stanza);
          } else {
              self.Client.send(stanza);
          }
      }