# Get Subject

Gets information on the subject of a promotion.

  NoticeThis API call does not contain the project_id path-parameter, so you need to use the API key that is valid in all the company’s projects to set up authorization.

Endpoint: GET /merchants/{merchant_id}/promotions/{promotion_id}/subject
Version: 2.0
Security: basicAuth

## Path parameters:

  - `merchant_id` (integer, required)
    Merchant ID.

  - `promotion_id` (integer, required)
    Promotion ID.

## Response 200 fields (application/json):

  - `purchase` (boolean)
    Whether the promotion applies to the whole purchase.

  - `items` (array)
    Array of virtual items that the promotion applies to.

  - `items.id` (integer)

  - `items.localized_name` (string)
    Plan name in default language (en), replicates name.en value.

  - `items.sku` (string)
    Item SKU.

  - `packages` (array,null)
    Array of virtual currency packages that the promotion applies to.

  - `subscriptions` (object,null)
    Subscription plans or products that the promotion applies to.

  - `subscriptions.plans` (array)

  - `subscriptions.products` (array)

  - `subscriptions.max_charges_count` (integer)
    Maximum number of billings that the promotion applies to.

  - `digital_contents` (object,null)