> For the complete documentation index, see [llms.txt](https://help.creatibi.com/en-us/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.creatibi.com/en-us/product-guides/custom-rule.md).
# Custom rule
Rule is the place where you automate your work. It's like writing an "IF" function where "trigger" is the logical test and "action" is the "value\_if\_true". Its power can be multiplied by all features.
### How to set up your first custom rule!
1. Go to any of your tabs on the top and click "**Customize**";
2. Click "**Add a rule**";
* Rule works better if you have created [custom fields](/en-us/product-guides/custom-field.md) in the **Script**, **Media review**, and **Creative** tables since it allows greater room for automating your work;
3. Choose from recommended rules or click "**Create custom rule**";
4. \[If you choose from the recommended rules]:
* You only need to review the rule, tweak it to your need, and enjoy;
5. \[If you create a custom rule]:
* Click the "**When**" and find the right [trigger](/en-us/product-guides/custom-rule/trigger.md) from the right sidebar;
* Click the "**Do this**" and find the right [action ](/en-us/product-guides/custom-rule/action.md)from the right sidebar;
6. Click "**Save**" on the top right corner;
7. Repeat the above steps to create more rules.
### FAQ
1. Who can set up and edit rules?
* Project administrators and editors can set up and edit rules;
* The editor can set up rules that only he can edit.
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