Watch a live product demo 👀 See how Sanity powers richer commerce experiences

What Data Type Can I Use For a Boolean Value Or Null?

9 replies
Last updated: Sep 29, 2022
Just a super quick question, what data type can I use for a boolean value or null?
Sep 29, 2022, 7:26 PM
There is a boolean type! But dealing with the
part might be complicated. If the field has never been set, it just won't exist in the data. It won't be explicitly set to
Sep 29, 2022, 7:28 PM
ok - the data is coming in from next-auth - I actually dont need the field
Sep 29, 2022, 7:30 PM
I have another quick question, is it possible to extend a schema when using it? For instance I want to refer to product variant, but want to add additional fields such as quantity
Sep 29, 2022, 7:31 PM
or do I just build a new schema with these addtional fields?
Sep 29, 2022, 7:31 PM
You can wrap it in an object and add an additional field, but it may look different than you're expecting. This:
      name: 'compoundObject',
      type: 'object',
      fields: [
          name: 'section',
          type: 'section',//section is another object with a string field
          name: 'addedField',
          type: 'string',
Gives this:
Sep 29, 2022, 7:35 PM
ooo ok great thanks!
Sep 29, 2022, 7:36 PM
hmmm I just tried to add the fields as you suggested:
      title: "Cart Items",
      name: "cartItems",
      type: "array",
      of: [
          title: "Product Variants Cart",
          type: "productVariant",
          name: "name",
          type: "string",
          name: "amount",
          type: "number",
Sep 29, 2022, 7:46 PM
but I’m still getting an error for those fields in sanity
Sep 29, 2022, 7:46 PM
It looks like you've put those in an array, which won't work quite the same way.
Sep 29, 2022, 7:52 PM

Sanity– build remarkable experiences at scale

The Sanity Composable Content Cloud is the modern headless CMS that treats content as data to power your digital business. Free to get started, and pay-as-you-go on all plans.

Categorized in

Related answers

Get more help in the community Slack

TopicCategoriesFeaturedRepliesLast Updated
After adding the subtitle and running this code npm run graphql-deploy It does nothingSep 15, 2020
how to limit a reference to just one entry in Studio reference input side versus the default as-many-entries-as-you-fill-in-an-array...Sep 18, 2020
Is it possible to fetch more than one "_type" using GROQ?Nov 2, 2020
I want to add a view with the Structure builder (S.view.component) where I list similar documents based on the title. What...Sep 23, 2020
Is there a structure builder example where the format of each preview for the document list is modified?Feb 3, 2021
I have an array of references to a country schema type but it always just returns NULL values for meJan 30, 2021
Hi, I need help with a query for getting the url of an image asset. Here is what I've been trying, but I only get the _ref...Dec 1, 2020
Sanity UI looks brilliant :smiley: Is something like the current date picker possible at the moment? I’m not sure if anicon...Dec 21, 2020
Hey everyone. I have been coding and may have potentially accidentally deleted something. Does anyone know how to resolve...Dec 26, 2020
Hello everyone and happy new year :raised_hands::skin-tone-2:, I have a problem with outputting Portable Text :disappointed:...Jan 1, 2021

Related contributions

Clean Next.js + Sanity app
- Template

Official(made by Sanity team)

A clean example of Next.js with embedded Sanity ready for recomposition.

Cody Olsen
Go to Clean Next.js + Sanity app

Blog with Built-in Content Editing
- Template

Official(made by Sanity team)

A Sanity-powered blog with built-in content editing and instant previews.

Go to Blog with Built-in Content Editing