SetInventoryItem
- idempotencyType: string
_key min length:1max length:255requiredCaller-supplied key that makes this item idempotent: a retried item with the same key applies at most once and reports already_applied. Keys are scoped to the seller. Use a unique key for each distinct write, such as a V4 UUID.
- quantityType: integermin:0max:2147483647required
The available quantity to set.
- variantType: string
_id requiredThe variant's id.