# Understanding / Avoiding ERE (Experimental Rule Engine) **URL:** \ **Category:** Scripts & Rules\ **Created:** [January 6, 2019, 10:03am UTC](https://community.openhab.org/t/understanding-avoiding-ere-experimental-rule-engine/62940 "2019-01-06T10:03:43Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![sihui](https://community.openhab.org/user_avatar/community.openhab.org/sihui/32/55674_2.png) [@sihui](https://community.openhab.org/u/sihui)\ **Post date:** [January 6, 2019, 10:33am UTC](https://community.openhab.org/t/understanding-avoiding-ere-experimental-rule-engine/62940/2 "2019-01-06T10:33:13Z")
> [@NCO](#): > > Because ERE does not seem to have good documentation Forgot to search? šŸ˜: > [@Experimental Next-Gen Rules Engine Documentation 1 of : Introduction](https://community.openhab.org/t/experimental-next-gen-rules-engine-documentation-1-of-introduction/54669): > > This tutorial post is very out of date and ultimately did not make it into the official docs. Do not use this except for historic purposes. See the Getting Started Tutorial sections on rules for how to get started with rules. [Rules - Introduction | openHAB](https://www.openhab.org/docs/tutorial/rules_introduction.html) EDIT: This is getting too long for one posting. Iā€™ve split it up (thanks @yscā€™s write-up for HABot for giving me the idea). This is a series of postings to start writing and gathering what we know works and what doesnā€™t yet work in the Rulesā€¦ > [@Experimental Next-Gen Rules Engine Documentation 2 of : Installation](https://community.openhab.org/t/experimental-next-gen-rules-engine-documentation-2-of-installation/55955): > > This tutorial post is very out of date and ultimately did not make it into the official docs. Do not use this except for historic purposes. See the Getting Started Tutorial sections on rules for how to get started with rules. [Rules - Introduction | openHAB](https://www.openhab.org/docs/tutorial/rules_introduction.html)Installation In PaperUI select ā€œAdd-onsā€ and the ā€œMISCā€ tab. Install ā€œRule Engine (Experimental)ā€ Once installed you should see a new Rules option on the left panel in PaperUI. NOTE: Yes I know the image is fuzzy, Iā€™ll take new scā€¦ > [@Experimental Next-Gen Rules Engine Documentation 3 of : Your First Rule](https://community.openhab.org/t/experimental-next-gen-rules-engine-documentation-3-of-your-first-rule/55957): > > This tutorial post is very out of date and ultimately did not make it into the official docs. Do not use this except for historic purposes. See the Getting Started Tutorial sections on rules for how to get started with rules. [Rules - Introduction | openHAB](https://www.openhab.org/docs/tutorial/rules_introduction.html)Your First Rule Prerequisites Create a Switch Item named Test. We will use this to trigger our Rule. Give the Item a label because the Items are listed alphabetically by label. If you skip the label, the Item ends up at the bottom of the list. ā€¦ > [@Experimental Next-Gen Rules Engine Documentation 4 of : Writing Scripts](https://community.openhab.org/t/experimental-next-gen-rules-engine-documentation-4-of-writing-scripts/55963): > > This tutorial post is very out of date and ultimately did not make it into the official docs. Do not use this except for historic purposes. See the Getting Started Tutorial sections on rules for how to get started with rules. [Rules - Introduction | openHAB](https://www.openhab.org/docs/tutorial/rules_introduction.html)Writing Scripts As you can see a lot can be accomplished in the NGRE without writing scripts at all. Much more than is possible with just Items. However at some point writing a script will be required. We know that the scripts entered into theā€¦ > [@Experimental Next-Gen Rules Engine Documentation 5 of : Actions](https://community.openhab.org/t/experimental-next-gen-rules-engine-documentation-5-of-actions/57589): > > This tutorial post is very out of date and ultimately did not make it into the official docs. Do not use this except for historic purposes. See the Getting Started Tutorial sections on rules for how to get started with rules. [Rules - Introduction | openHAB](https://www.openhab.org/docs/tutorial/rules_introduction.html)Other Functions and Actions OH supports a number of functions which allow one to cause something to occur in a script such as sending an email or scheduling something to occur at a later date. There are a number of built in functions and a numā€¦ --- _[View the full topic](https://community.openhab.org/t/understanding-avoiding-ere-experimental-rule-engine/62940)._