firefly-iii/app/JsonApi/V3/Users/UserSchema.php

<?php

namespace FireflyIII\JsonApi\V3\Users;

use FireflyIII\User;
use LaravelJsonApi\Eloquent\Contracts\Paginator;
use LaravelJsonApi\Eloquent\Fields\DateTime;
use LaravelJsonApi\Eloquent\Fields\ID;
use LaravelJsonApi\Eloquent\Fields\Relations\HasMany;
use LaravelJsonApi\Eloquent\Filters\WhereIdIn;
use LaravelJsonApi\Eloquent\Pagination\PagePagination;
use LaravelJsonApi\Eloquent\Schema;

class UserSchema extends Schema
{

    /**
     * The model the schema corresponds to.
     *
     * @var string
     */
    public static string $model = User::class;

    /**
     * Get the resource fields.
     *
     * @return array
     */
    public function fields(): array
    {
        return [
            ID::make(),
            DateTime::make('createdAt')->sortable()->readOnly(),
            DateTime::make('updatedAt')->sortable()->readOnly(),
            HasMany::make('accounts'),
        ];
    }

    /**
     * Get the resource filters.
     *
     * @return array
     */
    public function filters(): array
    {
        return [
            WhereIdIn::make($this),
        ];
    }

    /**
     * Get the resource paginator.
     *
     * @return Paginator|null
     */
    public function pagination(): ?Paginator
    {
        return PagePagination::make();
    }
    public function authorizable(): bool
    {
        return false;
    }

}