Please indulge me, I'm new. How do I get ST alerts for my window sensor?

[Jimxenus]

Another option (simpler than WebCore) but does cost $8 is a rules app called OneTap. I find it easier and simpler to use than WebCore but it’s not as extensive and does have a few limitations. However, it can do what you want because I was able to create a tap using my window sensor.

[RELEASE] OneTap: The best and more complete Smartapp

OneTAP is an enhanced smartapp that allow almost any possible automation. Simplerhttps://community.smartthings.com/t/release-onetap-the-best-and-more-complete-smartapp/125657 and more user friendly than Core, OneTAP combines different child apps that gives you the chance to control all the devices, and all automations from the same app install. The main benefits are: More order for your automations, all the configs will be on the same installation. Very user friendly, easy to setup and start automating your Things. Support almost every command available in smartthings. Pre Installed child apps that would help you in specific scenarios. Frequent updates and changes for improve app features and experience. Supports motion, contacts, locks, lights, switches, valves, speakers, audio notifica…