mutation priceListCreate {
  priceListCreate(
    input: {
      name: "Canadian prices"
      currency: CAD
      contextRule: { countries: [CA] }
      parent: { adjustment: { type: PERCENTAGE_DECREASE, value: 10.0 } }
    }
  ) {
    priceList {
      id
    }
    userErrors {
      field
      message
    }
  }
}