100 lines
7.1 KiB
Plaintext
100 lines
7.1 KiB
Plaintext
---
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title: Number Field
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label: Number
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order: 100
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desc: Number fields store and validate numeric data. Learn how to use and format Number fields, see examples and Number field options.
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keywords: number, fields, config, configuration, documentation, Content Management System, cms, headless, javascript, node, react, nextjs
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---
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The Number Field stores and validates numeric entry and supports additional numerical validation and formatting features.
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<LightDarkImage
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srcLight="https://payloadcms.com/images/docs/fields/number.png"
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srcDark="https://payloadcms.com/images/docs/fields/number-dark.png"
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alt="Shows a Number field in the Payload Admin Panel"
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caption="Admin Panel screenshot of a Number field"
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/>
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To add a Number Field, set the `type` to `number` in your [Field Config](./overview):
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```ts
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import type { Field } from 'payload/types'
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export const MyNumberField: Field = {
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// ...
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type: 'number', // highlight-line
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}
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```
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## Config Options
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| Option | Description |
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| ---------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| **`name`** \* | To be used as the property name when stored and retrieved from the database. [More](/docs/fields/overview#field-names) |
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| **`label`** | Text used as a field label in the Admin Panel or an object with keys for each language. |
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| **`min`** | Minimum value accepted. Used in the default `validation` function. |
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| **`max`** | Maximum value accepted. Used in the default `validation` function. |
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| **`hasMany`** | Makes this field an ordered array of numbers instead of just a single number. |
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| **`minRows`** | Minimum number of numbers in the numbers array, if `hasMany` is set to true. |
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| **`maxRows`** | Maximum number of numbers in the numbers array, if `hasMany` is set to true. |
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| **`unique`** | Enforce that each entry in the Collection has a unique value for this field. |
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| **`index`** | Build an [index](/docs/database/overview) for this field to produce faster queries. Set this field to `true` if your users will perform queries on this field's data often. |
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| **`validate`** | Provide a custom validation function that will be executed on both the Admin Panel and the backend. [More](/docs/fields/overview#validation) |
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| **`saveToJWT`** | If this field is top-level and nested in a config supporting [Authentication](/docs/authentication/overview), include its data in the user JWT. |
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| **`hooks`** | Provide Field Hooks to control logic for this field. [More details](../hooks/fields). |
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| **`access`** | Provide Field Access Control to denote what users can see and do with this field's data. [More details](../access-control/fields). |
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| **`hidden`** | Restrict this field's visibility from all APIs entirely. Will still be saved to the database, but will not appear in any API or the Admin Panel. |
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| **`defaultValue`** | Provide data to be used for this field's default value. [More](/docs/fields/overview#default-values) |
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| **`localized`** | Enable localization for this field. Requires [localization to be enabled](/docs/configuration/localization) in the Base config. |
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| **`required`** | Require this field to have a value. |
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| **`admin`** | Admin-specific configuration. [More details](#admin-options). |
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| **`custom`** | Extension point for adding custom data (e.g. for plugins) |
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| **`typescriptSchema`** | Override field type generation with providing a JSON schema |
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_\* An asterisk denotes that a property is required._
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## Admin Options
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The customize the appearance and behavior of the Number Field in the [Admin Panel](../admin/overview), you can use the `admin` option:
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```ts
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import type { Field } from 'payload/types'
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export const MyNumberField: Field = {
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// ...
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admin: { // highlight-line
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// ...
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},
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}
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```
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The Number Field inherits all of the default options from the base [Field Admin Config](../admin/fields#admin-options), plus the following additional options:
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| Property | Description |
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| ------------------------------ | -------------------------------------------------------------------------------------------------------------------------------------- |
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| **`step`** | Set a value for the number field to increment / decrement using browser controls. |
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| **`placeholder`** | Set this property to define a placeholder string for the field. |
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| **`autoComplete`** | Set this property to a string that will be used for browser autocomplete. |
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## Example
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`collections/ExampleCollection.ts`
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```ts
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import { CollectionConfig } from 'payload'
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export const ExampleCollection: CollectionConfig = {
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slug: 'example-collection',
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fields: [
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{
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name: 'age', // required
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type: 'number', // required
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required: true,
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admin: {
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step: 1,
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},
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},
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],
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}
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```
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