#NEWLINE# def send( self , uri , payload ) : #NEWLINE# #INDENT# '\n        Send push message. Input parameters:\n\n        uri - channel uri\n        payload - message payload (see help for subclasses)\n        accesstoken - token\n\n        ' #NEWLINE# data = self . prepare_payload ( payload ) #NEWLINE# http = AsyncHTTPClient ( ) #NEWLINE# http . fetch ( uri , self . handle_response , method = 'POST' , headers = payload . headers , body = data )