obsidian/raw/_processed/fields__code.md
2026-05-15 15:24:29 +01:00

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Code Field Code 50 The Code field type will store any string in the Database. Learn how to use Code fields, see examples and options. code, fields, config, configuration, documentation, Content Management System, cms, headless, javascript, node, react, nextjs https://payloadcms.com/docs/fields/code

The Code Field saves a string in the database, but provides the Admin Panel with a code editor styled interface.

To add a Code Field, set the type to code in your Field Config:

import type { Field } from 'payload'

export const MyBlocksField: Field = {
  // ...
  type: 'code', // highlight-line
}

Config Options

Option Description
name * To be used as the property name when stored and retrieved from the database. More details.
label Text used as a field label in the Admin Panel or an object with keys for each language.
unique Enforce that each entry in the Collection has a unique value for this field. This creates a database-level unique index on the field's path. More details.
index Build an index for this field to produce faster queries. Set this field to true if your users will perform queries on this field's data often.
minLength Used by the default validation function to ensure values are of a minimum character length.
maxLength Used by the default validation function to ensure values are of a maximum character length.
validate Provide a custom validation function that will be executed on both the Admin Panel and the backend. More details.
saveToJWT If this field is top-level and nested in a config supporting Authentication, include its data in the user JWT.
hooks Provide Field Hooks to control logic for this field. More details.
access Provide Field Access Control to denote what users can see and do with this field's data. More details.
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.
defaultValue Provide data to be used for this field's default value. More details.
localized Enable localization for this field. Requires localization to be enabled in the Base config.
required Require this field to have a value.
admin Admin-specific configuration. See below for more detail.
custom Extension point for adding custom data (e.g. for plugins)
typescriptSchema Override field type generation with providing a JSON schema
virtual Provide true to disable field in the database, or provide a string path to link the field with a relationship. See Virtual Fields

* An asterisk denotes that a property is required.

Admin Options

To customize the appearance and behavior of the Code Field in the Admin Panel, you can use the admin option:

import type { Field } from 'payload'

export const MyCodeField: Field = {
  // ...
  admin: {
    // highlight-line
    // ...
  },
}

The Code Field inherits all of the default admin options from the base Field Admin Config, plus the following additional options:

Option Description
language This property can be set to any language listed here.
editorOptions Options that can be passed to the monaco editor, view the full list.

Example

`collections/ExampleCollection.ts

import type { CollectionConfig } from 'payload'

export const ExampleCollection: CollectionConfig = {
  slug: 'example-collection',
  fields: [
    {
      name: 'trackingCode', // required
      type: 'code', // required
      required: true,
      admin: {
        language: 'javascript',
      },
    },
  ],
}

Custom Components

Field

Server Component

import type React from 'react'
import { CodeField } from '@payloadcms/ui'
import type { CodeFieldServerComponent } from 'payload'

export const CustomCodeFieldServer: CodeFieldServerComponent = ({
  clientField,
  path,
  schemaPath,
  permissions,
}) => {
  return (
    <CodeField
      field={clientField}
      path={path}
      schemaPath={schemaPath}
      permissions={permissions}
    />
  )
}

Client Component

'use client'
import React from 'react'
import { CodeField } from '@payloadcms/ui'
import type { CodeFieldClientComponent } from 'payload'

export const CustomCodeFieldClient: CodeFieldClientComponent = (props) => {
  return <CodeField {...props} />
}

Label

Server Component

import React from 'react'
import { FieldLabel } from '@payloadcms/ui'
import type { CodeFieldLabelServerComponent } from 'payload'

export const CustomCodeFieldLabelServer: CodeFieldLabelServerComponent = ({
  clientField,
  path,
}) => {
  return (
    <FieldLabel
      label={clientField?.label || clientField?.name}
      path={path}
      required={clientField?.required}
    />
  )
}

Client Component

'use client'
import React from 'react'
import { FieldLabel } from '@payloadcms/ui'
import type { CodeFieldLabelClientComponent } from 'payload'

export const CustomCodeFieldLabelClient: CodeFieldLabelClientComponent = ({
  field,
  path,
}) => {
  return (
    <FieldLabel
      label={field?.label || field?.name}
      path={path}
      required={field?.required}
    />
  )
}