Publishing MQTT Messages from a Script
Content to be migrated from Confluence (99057679). How to call system.cirruslink.transmission.publish() from an Ignition Gateway Tag Change script. Covers:
- RPC client prerequisites
- publish() method signature
- Inflight message limits — 10 pre-4.0.22 → 500 in 4.0.22–4.0.30 → 32K in 4.0.31+
- Error log messages