JBoss ON CLI to update a dynagroup definition

Issue

• following the documentation trying to update a dynagroup but get the below error:

org.rhq.enterprise.client.script.CLIScriptException: org.rhq.scripting.javascript.engine.util.ExtendedScriptException: org.mozilla.javascript.EcmaError: TypeError: Cannot find function setExpression in object function get() {/*
java.lang.Object get(int)
*/}
. (<Unknown source>#10) in <Unknown source> at line number 10
        at org.rhq.enterprise.client.commands.ScriptCommand.executeScriptFile(ScriptCommand.java:291)
        at org.rhq.enterprise.client.commands.ScriptCommand.execute(ScriptCommand.java:93)
        at org.rhq.enterprise.client.ClientMain$StartupConfiguration.process(ClientMain.java:163)
        at org.rhq.enterprise.client.ClientMain.run(ClientMain.java:188)
        at org.rhq.enterprise.client.ClientMain.main(ClientMain.java:172)
Caused by: org.rhq.scripting.javascript.engine.util.ExtendedScriptException: org.mozilla.javascript.EcmaError: TypeError: Cannot find function setExpression in object function get() {/*
java.lang.Object get(int)
*/}