# ApplyPromotionToSubscriptionInput

### Fields

#### clientMutationId ([String](https://developer.firmhouse.com/graphql-api/api-reference/objects/string))

A unique identifier for the client performing the mutation.

#### promotionId ([ID](https://developer.firmhouse.com/graphql-api/api-reference/objects/id)!)

ID of the promotion to apply.

#### subscriptionId ([ID](https://developer.firmhouse.com/graphql-api/api-reference/objects/id)!)

ID of the subscription to apply the promotion to.

#### validatePromotion ([Boolean](https://developer.firmhouse.com/graphql-api/api-reference/objects/boolean))

Whether to validate the promotion before applying it.