ConsumerId | The consumer id associated with the Xpe; this is used mainly to de-multiplex at the subscriber. The default is NULL_CONSUMERID. |
Expression | The xpath expression to subscribe to. |
IsFilter | If this value is set true, the Xpe becomes a filter. |
Namespaces | Represents the manifest of namespaces used in this key. Key is the namespace alias and the value is its id (usually a uri). |