Grant reward

grantReward(customerId, rewardProductId, variableAmount)

Grants (comps) a reward to a customer without deducting any stamps, and issues a real discount code. Use it for goodwill gestures or manual comps. It mirrors redeemReward but leaves the stamp balance untouched.

Arguments

Name	Type	Required	Description
customerId	ID!	Yes	The Shopify customer ID.
rewardProductId	ID!	Yes	The reward to grant.
variableAmount	Int	No	Value for variable-value rewards.

Returns a non-null Redemption carrying the issued code and the customer’s (unchanged) balance.

Returns / Fields

Field	Type	Description
code	String	The issued discount code.
name	String	Reward name.
stampBalance	Int!	The customer’s stamp balance (unchanged, since no stamps were spent).

Example

mutation {
  grantReward(customerId: "6677889900", rewardProductId: "44") {
    code
    name
    stampBalance
  }
}

{
  "data": {
    "grantReward": {
      "code": "APPY-7Q2X",
      "name": "Free coffee",
      "stampBalance": 35
    }
  }
}

Returns an error with message REWARD_NOT_FOUND if the reward does not exist, or CUSTOMER_NOT_FOUND for an unknown customer.