> ## Documentation Index
> Fetch the complete documentation index at: https://developer.jtl-software.com/llms.txt
> Use this file to discover all available pages before exploring further.

# AddItemVariation

> Adds a new variation (e.g., color, size) to an existing item. Variations allow customers to select different product options.

If a request with this mutation's Idempotency-Key was already completed, the response's `extensions` contains an `idempotency.{responseName}` entry with `wasReplayed: true`.



**mutation** `AddItemVariation(request: AddItemVariationCommandRequestInput!): AddItemVariationCommandResponse!`

## Arguments

**`request`**: `AddItemVariationCommandRequestInput!` (required)

## Returns

`AddItemVariationCommandResponse!`

**`variationId`**: `ID!`

Unique ID of the newly added variation.