Example of simple event to Milestone using websocket / http Post

I have researched the protocol integation, for our current alarm system (no .net environment) we need to make an integration to milestone. We have a dedicated hardware which we can

We have to push sensor alarms (events) to milestone. I prefer to use HTTP POST, TCP/IP connection since we already have some past experience in this integration. Is there an example of a project like this?

Yes.

Please look at the Analytics Event Trigger via XML sample, you will find it uses a websocket..

https://doc.developer.milestonesys.com/html/index.html?base=samples/analyticseventxml.html&tree=tree_3.html

Recommended read on analytics events in XProtect:

https://developer.milestonesys.com/s/article/exploring-the-MIP-SDK-recommended-top-SDK-samples

http://download.milestonesys.com/MIPSDK/Samples/TriggerAlarmFromExternal-ConceptSolution.pdf