# Relational Data

**URL:** <https://community.prismic.io/t/relational-data/8594>\
**Category:** Prismic for Content Creators\
**Created:** [January 10, 2022, 5:20pm UTC](https://community.prismic.io/t/relational-data/8594 "2022-01-10T17:20:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![duc.pham](https://avatars.discourse-cdn.com/v4/letter/d/e95f7d/32.png) [@duc.pham](https://community.prismic.io/u/duc.pham)\
**Post date:** [January 10, 2022, 5:20pm UTC](https://community.prismic.io/t/relational-data/8594/1 "2022-01-10T17:20:30Z")

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Hi team, I'm building a help doc system where it has relational reference with categories and tags. How can I build that with Prismic? Basically, a help doc can have a tag and can live under a category.

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**Author:** ![Pau](https://dub1.discourse-cdn.com/flex013/user_avatar/community.prismic.io/pau/32/5422_2.png) [@Pau](https://community.prismic.io/u/Pau)\
**Post date:** [January 10, 2022, 5:33pm UTC](https://community.prismic.io/t/relational-data/8594/2 "2022-01-10T17:33:02Z")

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Hello, thank you for contacting us.

It sounds like a Custom tagging system is what you need. Let's say you have a single Help Custom Type with a Group field with Content relationship fields. These Content Relationship fields will be limited to using a custom Type of type Tag. So you can also create a Custom Type Category to link your documents to these categories.

Here is a guide that can help you create this structure:

> [@Create a custom tagging system](https://community.prismic.io/t/create-a-custom-tagging-system/5462):
>
> Do you need more control of your document tags and tag management? If so, we suggest setting up a custom tagging system. Note: This will not expand the capabilities of [Prismic's default tagging system](https://intercom.help/prismicio/browse-documents-and-edit-content/document-list-browse-and-find-your-content/prismics-default-tagging-system). This will be an entirely different system that is completely separate. 1. Create a "Tag" Custom Type Create a "Tag" Custom Type which consists of at least a Rich Text field for the name of the tag. 2. Create all the tags you need Create as many documents of the type Tag as you need. Doing it …