Subscribe
- Updated2025-07-28
- 1 minute(s) read
Registers a session to receive messages published to a specific topic.
Subscribers of a topic receive every message published to it. Wire several instances of this VI in a series to subscribe the multiple topics.

Inputs/Outputs
message session in
Synchronous message session established with the server.
topic
Channel to which endpoints publish or subscribe messages.
error in
Error conditions that occur before this node runs.
The node responds to this input according to standard error behavior.
Default value: No error
message session out
Synchronous message session established with the server.
error out
Error information.
The node produces this output according to standard error behavior.