82 lines
4.0 KiB
Plaintext
82 lines
4.0 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, express
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---
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<Banner >
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The Number field stores and validates numeric entry and supports additional numerical validation and formatting features.
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</Banner>
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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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### Config
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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 a [MongoDB index](https://docs.mongodb.com/manual/indexes/) 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/config), include its data in the user JWT. |
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| **`hooks`** | Provide field-based hooks to control logic for this field. [More](/docs/fields/overview#field-level-hooks) |
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| **`access`** | Provide field-based access control to denote what users can see and do with this field's data. [More](/docs/fields/overview#field-level-access-control) |
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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. See below for [more detail](#admin-config). |
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| **`custom`** | Extension point for adding custom data (e.g. for plugins) |
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*\* An asterisk denotes that a property is required.*
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### Admin config
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In addition to the default [field admin config](/docs/fields/overview#admin-config), this field type allows for the following `admin` properties:
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**`step`**
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Set a value for the number field to increment / decrement using browser controls.
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**`placeholder`**
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Set this property to define a placeholder string for the field.
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**`autoComplete`**
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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/types';
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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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