[Detailed description of the issue or question]
When registering the pmm alert rule, I did not set silence, but as shown in the image, silence is set, so the connected contact point does not receive an alarm.
Why is that?
[Step-by-step instructions on how to reproduce the issue, including any specific settings or configurations]
[Insert the version number of the software]
[If applicable, include any relevant log files or error messages]
[What the user expected to see or happen before the issue occurred]
send message to contach point
[What actually happened when the user encountered the issue]
[Include any additional information that could be helpful to diagnose the issue, such as browser or device information]