# EditCouponInput

input type

Edit-input for a Coupon. Every field optional, at least ONE required; supplied fields REPLACE, omitted fields are preserved (no clearing semantic).

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `caption` | [String](/types/#scalars) | no | No further notes. |
| `effect` | [CouponEffectInput](/types/CouponEffectInput/) | no | discount flavor ONLY (VALIDATION/INVALID naming the field on trigger). |
| `startAt` | [String](/types/#scalars) | no | No further notes. |
| `endAt` | [String](/types/#scalars) | no | No further notes. |
| `totalUsesCap` | [Int](/types/#scalars) | no | No further notes. |

## Used by

- [updateCoupon](/reference/coupon/updateCoupon/)