WLST script to delete the JMS messages in the Queue

wls:/offline> connect('weblogic','welcome1','t3://localhost:7001')
wls:/WLST_domain/serverConfig> serverRuntime()
wls:/WLST_domain/serverRuntime>cd('JMSRuntime/AdminServer.jms/JMSServers/JMSServer-0/Destinations/SystemModule-0!Queue-0')
wls:/WLST_domain/serverRuntime/JMSRuntime/AdminServer.jms/JMSServers/JMSServer-0/Destinations/SystemModule-0!Queue-0> ls()
wls:/WLST_domain/serverRuntime/JMSRuntime/AdminServer.jms/JMSServers/JMSServer-0/Destinations/SystemModule-0!Queue-0> cmo.deleteMessages('')