> ## 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.

# AddItemSupplier

> Adds supplier information to an existing regular item. This command allows the association of suppliers with the item, including details such as purchase prices, delivery times, and order intervals.



**mutation** `AddItemSupplier(request: AddItemSupplierCommandRequestInput!): AddItemSupplierCommandResponse!`

## Arguments

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

## Returns

`AddItemSupplierCommandResponse!`

**`itemId`**: `ID!`

Unique ID of the modified item.