The union node
Union of multiple streams.
The union node takes the union of all of its parents as a simple pass through.
Data items received from each parent are passed onto child nodes without modification.
in1 |union(in2, in3)
The union of 3 nodes (chain expressions)
def in1 = |mqtt_subscribe() .host ... def in2 = |amqp_consume() .host .... def in3 = ... in1 |union(in2, in3)
with chain expressions