How do i set an Alarm?

[SteveJG]

@jack_jordan

There isn't a free extension for this?

You could try

[FREE] Alarm Extension

After having published a first extension and after what was commented by the leading users, about what had to change in the extension, I published it again with the recommended changes. The extension now complies with the nomeclature instructions indicated in I also try to adapt it to what is indicated in Is it novel? Has your type of extension been done before by other extension developers. Do we really need it again? What is different/unique about it, when compared with the other simil…

It is free and might be suitable for your project.