I’m trying to replicate the functionality of the attached payload subscribe.py file using ignition. Payload Subscribe.py (2.5 KB) I create a button in vision to replicate the subscription to web events. It calls this function: def subToWebEvent(): # Post data to the web service in JSON format…

Webhook Subscription

vision, scripting

paul-griffith November 17, 2025, 11:22pm 2

FastAPI POST endpoint returning "Field required" when sending dictionary from Jython Ignition

Try this, because some servers are bad at negotiating HTTP_2 downgrades. Make this call: client = system.net.httpClient() Into: client = system.net.httpClient(version="HTTP_1_1")

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