Communicate as a network queue using the publish-subscribe model. Use messages to send commands, status updates, and data between your systems and server.

SystemLink Nodes and Functions Reference for NXG and G Web Development Software
Use SystemLink nodes in NXG or G Web Development Software to communicate data between your test and measurement systems and your SystemLink Server account.
Close
Terminates the message session with the server.
Flush
Clears all queued messages associated with the session from the queue. .
Get Max Queue Size Bytes
Obtains the maximum number of bytes that the queue can hold.
Get Queue Size Bytes
Obtains the current number of bytes for the message queue associated with the session.
Open
Creates a message session with the server.
Publish
Writes a message to a topic, which immediately sends the message to subscribers of the topic.
Read
Returns a message from the queue.
Subscribe
Registers a session to receive messages published to a specific topic.
Unsubscribe
Unregisters a session from a specific topic to stop receiving messages.
API Reference
G, HTTP, Python, and .NET APIs allow you to programmatically access SystemLink data services outside of NI SystemLink Web Application.
SystemLink Nodes and Functions Reference for NXG and G Web Development Software
Use SystemLink nodes in NXG or G Web Development Software to communicate data between your test and measurement systems and your SystemLink Server account.