How to set up a notification with event triggered by two device sequentially?

[JDRoberts]

@rockzhou

I am not a developer. Do you have a layman instruction on how to install your apps? Thanks,

Using custom code is pretty straightforward, basically you copy the author’s code and paste it into your own account. The following FAQ will describe the process and should answer most of your questions.

[OBSOLETE] FAQ: An Overview of Using Custom Code in SmartThings (SmartThings Classic, Groovy Code)

The original FAQ information in this thread refers to the original smartthings architecture, which was in place through the end of 2022 and a little beyond. Custom code was written in the groovy programming language and ran in the smartthings cloud. As of May 2023, you can no longer add new Groovy DTH‘s or smartapps to your smartthings account. So if you came here because of a link in an old forum thread, or on another site, I’m afraid the Groovy information is no longer usable. All of this was replaced by a new architecture. Cloud to cloud integrations use the smartthings API. Hub connected devices, mostly Zigbee and zwave, now use “Edge Drivers,” written in the LUA programming language. Here’s the official announcement on those: The process for using a custom Edge Driver in the new …

Then if you decide that’s something you’d like to move forward with, you can ask any follow-up questions in the author’s thread for the specific code you’re considering using and people there will be able to help you.