Error while configuring custom handler for syslog

Issue

• How to set the appName property in cutsom handler for syslog in EAP 6 ?
• Error while configuring custom handler for syslog:

[Server:demo-server] 15:04:20,426 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) JBAS014612: Operation ("add") failed - address: ([
[Server:demo-server]     ("subsystem" => "logging"),
[Server:demo-server]     ("custom-handler" => "SYSLOG-Handler")
[Server:demo-server] ]): java.lang.IllegalArgumentException: No property "app-name" setter found for handler "SYSLOG-Handler""
[Server:demo-server]    at org.jboss.logmanager.config.AbstractPropertyConfiguration.setPropertyValueExpression(AbstractPropertyConfiguration.java:196) [jboss-logmanager-1.5.1.Final-redhat-1.jar:1.5.1.Final-redhat-1]
[Server:demo-server]    at org.jboss.logmanager.config.AbstractPropertyConfiguration.setPropertyValueString(AbstractPropertyConfiguration.java:157) [jboss-logmanager-1.5.1.Final-redhat-1.jar:1.5.1.Final-redhat-1]
[Server:demo-server]    at org.jboss.as.logging.HandlerOperations.handleProperty(HandlerOperations.java:595) [jboss-as-logging-7.3.0.Final-redhat-14.jar:7.3.0.Final-redhat-14]
[Server:demo-server]    at org.jboss.as.logging.HandlerOperations.handleProperty(HandlerOperations.java:526) [jboss-as-logging-7.3.0.Final-redhat-14.jar:7.3.0.Final-redhat-14]
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