Field Access Control is specified with functions inside a field's config. All field-level Controls return a boolean value to allow or deny access for the specified operation. No field-level Access Controls support returning query constraints. All Access Control functions accept one args argument.

Available Controls

Function	Purpose
`create`	Allows or denies the ability to set a field's value when creating a new document
`read`	Allows or denies the ability to read a field's value
`update`	Allows or denies the ability to update a field's value

Example Collection config:

1import { CollectionConfig } from 'payload/types';
2
3export const Posts: CollectionConfig = {
slug: 'posts',
fields: [
  {
    name: 'title',
    type: 'text',
    access: {
      create: ({ req: { user } }) => { ... },
      read: ({ req: { user } }) => { ... },
      update: ({ req: { user } }) => { ... },
    },
  };
],
16};

Create

Returns a boolean which allows or denies the ability to set a field's value when creating a new document. If false is returned, any passed values will be discarded.

Available argument properties:

Option	Description
`req`	The Express `request` object containing the currently authenticated `user`
`data`	The full data passed to create the document.
`siblingData`	Immediately adjacent field data passed to create the document.

Read

Returns a boolean which allows or denies the ability to read a field's value. If false, the entire property is omitted from the resulting document.

Available argument properties:

Option	Description
`req`	The Express `request` object containing the currently authenticated `user`
`id`	`id` of the document being read
`doc`	The full document data.
`siblingData`	Immediately adjacent field data of the document being read.

Update

Returns a boolean which allows or denies the ability to update a field's value. If false is returned, any passed values will be discarded.

If false is returned and you attempt to update the field's value, the operation will not throw an error however the field will be omitted from the update operation and the value will remain unchanged.

Available argument properties:

Option	Description
`req`	The Express `request` object containing the currently authenticated `user`
`id`	`id` of the document being updated
`data`	The full data passed to update the document.
`siblingData`	Immediately adjacent field data passed to update the document with.
`doc`	The full document data, before the update is applied.

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Field-level Access Control

Available Controls

Create

Read

Update

Globals Access Control

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