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A multiselect field represents the selection of a set of values from the defined options. Values can be either strings, integers, or enum values, as determined by the type option. This will determine their GraphQL data type. Unlike the select field, the type will not change the database type, multiselect fields are always stored as a json array in the database.


  • type (default: 'string'): Sets the type of the values of this field. Must be one of ['string', 'enum', 'integer'].
  • options: An array of { label, value }. label is a string to be displayed in the Admin UI. value is either a string (for { type: 'string' } or { type: 'enum' }), or a number (for { type: 'integer' }). The value will be used in the GraphQL API and stored in the database.
  • defaultValue (default: []): This value will be used for the field when creating items if no explicit value is set.
  • Adds a Prisma @map attribute to this field which changes the column name in the database
  • (default: false): If you have no read access control and you don't intend to add any in the future, you can set this to true and the output field will be non-nullable. This is only allowed when you have no read access control because otherwise, when access is denied, null will be returned which will cause an error since the field is non-nullable and the error will propagate up until a nullable field is found which means the entire item will be unreadable and when doing an items query, all the items will be unreadable.
  • graphql.create.isNonNull (default: false): If you have no create access control and you want to explicitly show that this is field is non-nullable in the create input you can set this to true and the create field will be non-nullable and have a default value at the GraphQL level. This is only allowed when you have no create access control because otherwise, the item will always fail access control if a user doesn't have access to create the particular field regardless of whether or not they specify the field in the create.
import { config, list } from '@keystone-6/core';
import { multiselect } from '@keystone-6/core/fields';
export default config({
lists: {
SomeListName: list({
fields: {
someFieldName: multiselect({
type: 'enum',
options: [
{ label: '...', value: '...' },
/* ... */
defaultValue: ['...'],
db: { map: 'my_multiselect' },
/* ... */
/* ... */
/* ... */

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