{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Modification",
  "title": "Modification",
  "type": "object",
  "description": "A reusable add-on or discount definition configured in the Braintree Control Panel and available to apply to subscriptions.",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the add-on or discount."
    },
    "name": {
      "type": "string",
      "description": "Human-readable name for this modification."
    },
    "description": {
      "type": "string",
      "description": "Description of what this add-on or discount represents."
    },
    "amount": {
      "type": "string",
      "description": "The price adjustment amount as a decimal string.",
      "example": "1.00"
    },
    "kind": {
      "type": "string",
      "description": "Whether this is an add_on or a discount.",
      "enum": [
        "add_on",
        "discount"
      ]
    },
    "never_expires": {
      "type": "boolean",
      "description": "If true, this modification applies indefinitely with no limit on number of billing cycles."
    },
    "number_of_billing_cycles": {
      "type": "integer",
      "description": "Number of billing cycles this modification applies.",
      "minimum": 1
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when this modification was created."
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when this modification was last updated."
    }
  }
}