import { createAdminClient } from '@spree/admin-sdk'

const client = createAdminClient({
  baseUrl: 'https://your-store.com',
  secretKey: 'sk_xxx',
})

const collection = await client.collections.get('coll_UkLWZg9DAJ', {
  expand: ['rules'],
})

spree api get /collections/{id} -d '{"expand":["rules"]}'

{
  "id": "coll_UkLWZg9DAJ",
  "name": "Summer Sale",
  "permalink": "summer-sale",
  "position": 1,
  "sort_order": "manual",
  "meta_title": null,
  "meta_description": null,
  "meta_keywords": null,
  "products_count": 0,
  "description": "",
  "description_html": "",
  "image_url": null,
  "square_image_url": null,
  "automatic": false,
  "rules_match_policy": "all",
  "metadata": {},
  "created_at": "2026-01-15T12:00:00.000Z",
  "updated_at": "2026-01-15T12:00:00.000Z"
}

{
  "error": {
    "code": "record_not_found",
    "message": "Collection not found"
  }
}