# Associating the WT00Z and the WS15Z-1? **URL:** \ **Category:** Connected Things\ **Created:** [January 23, 2018, 12:50pm UTC](https://community.smartthings.com/t/associating-the-wt00z-and-the-ws15z-1/116351 "2018-01-23T12:50:48Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![JDRoberts](https://yyz2.discourse-cdn.com/smartthings/user_avatar/community.smartthings.com/jdroberts/32/56577_2.png) [@JDRoberts](https://community.smartthings.com/u/JDRoberts)\ **Post date:** [January 23, 2018, 6:15pm UTC](https://community.smartthings.com/t/associating-the-wt00z-and-the-ws15z-1/116351/4 "2018-01-23T18:15:39Z")
> [@withay](#): > > Oh great thanks!!! I’m seriously inexperienced at any of this (so, what’s DTH stand for?) so I’m going to have to really read and study all of this. But every new thing learned… Is a new thing learned! This will explain both the terms and the process 🕶 > [@\[OBSOLETE\] FAQ: An Overview of Using Custom Code in SmartThings (SmartThings Classic, Groovy Code)](https://community.smartthings.com/t/faq-an-overview-of-using-custom-code-in-smartthings/16772): > > 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 … --- _[View the full topic](https://community.smartthings.com/t/associating-the-wt00z-and-the-ws15z-1/116351)._