Alarm preview plugin is not working

MIP
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1

We previously had a working alarm preview integration a few years back. Our setup worked as follows:

  • Analytics events were sent to Milestone.
  • A custom alarm preview plugin rendered additional information from these events inside our UI component (See attached image).

Alarm plugin render plugin
Alarm plugin render plugin1099×480 86.1 KB
Current Behavior:

  • Analytics events are still being sent to Milestone correctly.
  • The alarm preview plugin seems to be loaded (confirmed in the About section of Smart Client).
  • However, after clicking on our event, nothing is rendered by our alarm preview plugin.

Troubleshooting So Far:

  • MIP/Event logs show nothing specific to our integration.
  • No useful error messages or warnings observed.
  • We have updated both our integration and alarm preview plugin to the latest SDK.
  • Testing with Milestone Systems 2025 R2, but the plugin does not handle the alarm preview as expected.

Question:

What are the recommended steps or tools to debug why a custom alarm preview plugin is not rendering in Milestone 2025 R2, despite being loaded? Are there specific logs, APIs, or configuration points we should focus on?

2

Try to put a breakpoint in the plugin and debug.

https://developer.milestonesys.com/s/article/debugging-techniques-for-Smart-Client-plugins

Sometimes it is good idea to find back to something that works, if possible. Does a unmodified Smart Client Alarm Preview plugin sample work?

https://doc.developer.milestonesys.com/mipsdk/index.html?base=samples%2FPluginSamples%2FAlarmPreview%2FREADME.html&tree=tree_1.html