> For the complete documentation index, see [llms.txt](https://docs.pyck.cloud/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pyck.cloud/graphql-api/mutations/updateinventoryitem.md).

# Update Inventory Item

Update Inventory Item Mutation

Updates an existing InventoryItem object in the system with new data.

## Arguments

| Name    | Type                        | Description                                           |
| ------- | --------------------------- | ----------------------------------------------------- |
| `id`    | `ID!`                       | The unique identifier of the inventory item to update |
| `input` | `UpdateInventoryItemInput!` | Input data for updating the inventory item            |

## Return Type

`InventoryItemOutput` - Contains the updated inventory item and any related workflows.

## Input Fields

`UpdateInventoryItemInput`:

| Field                       | Type      | Description                                               |
| --------------------------- | --------- | --------------------------------------------------------- |
| `dataTypeID`                | `UUID`    | Optional data type ID to associate with the item          |
| `clearDataTypeID`           | `Boolean` | Clear the existing data type ID                           |
| `dataTypeSlug`              | `String`  | Optional data type slug                                   |
| `clearDataTypeSlug`         | `Boolean` | Clear the existing data type slug                         |
| `data`                      | `Map`     | Custom data associated with the item                      |
| `clearData`                 | `Boolean` | Clear the existing custom data                            |
| `sku`                       | `String`  | Stock keeping unit (SKU) - unique identifier for the item |
| `inventoryJSONData`         | `Map`     | Additional inventory-specific JSON data                   |
| `clearInventoryJSONData`    | `Boolean` | Clear the existing inventory JSON data                    |
| `addItemMovementItemIDs`    | `[ID!]`   | IDs of item movements to add                              |
| `removeItemMovementItemIDs` | `[ID!]`   | IDs of item movements to remove                           |
| `clearItemMovementItems`    | `Boolean` | Clear all associated item movements                       |
| `addItemTransactionIDs`     | `[ID!]`   | IDs of transactions to add                                |
| `removeItemTransactionIDs`  | `[ID!]`   | IDs of transactions to remove                             |
| `clearItemTransactions`     | `Boolean` | Clear all associated transactions                         |
| `addItemStockIDs`           | `[ID!]`   | IDs of stock records to add                               |
| `removeItemStockIDs`        | `[ID!]`   | IDs of stock records to remove                            |
| `clearItemStocks`           | `Boolean` | Clear all associated stock records                        |
| `addItemSetIDs`             | `[ID!]`   | IDs of item sets to add                                   |
| `removeItemSetIDs`          | `[ID!]`   | IDs of item sets to remove                                |

## Return Fields

`InventoryItemOutput`:

| Field           | Type                 | Description                                    |
| --------------- | -------------------- | ---------------------------------------------- |
| `inventoryItem` | `InventoryItem`      | The updated inventory item                     |
| `workflows`     | `[TemporalWorkflow]` | Related workflow instances that were triggered |

## Usage Example

```graphql
mutation {
  updateInventoryItem(
    id: "item_123"
    input: {
      sku: "UPDATED-PRODUCT-456",
      data: {
        "name": "Updated Smartphone X Pro",
        "brand": "TechCorp",
        "model": "X200",
        "description": "Latest smartphone with enhanced features",
        "specifications": {
          "display": "6.7 inch OLED",
          "processor": "Octa-core 3.2GHz",
          "memory": "12GB",
          "storage": "512GB",
          "camera": "108MP Triple Camera"
        },
        "color": "midnight blue",
        "weight": 185
      },
      inventoryJSONData: {
        "minimum_stock": 50,
        "reorder_point": 100,
        "supplier_lead_time": 14,
        "storage_requirements": ["temperature_controlled"],
        "handling_instructions": ["fragile", "keep_upright"]
      },
      dataTypeSlug: "premium_electronics"
    }
  ) {
    inventoryItem {
      id
      sku
      data
      inventoryJSONData
      dataTypeSlug
      updatedAt
      updatedBy
    }
    workflows {
      id
      type
      status
      runID
    }
  }
}
```

## JavaScript Example

```javascript
const UPDATE_INVENTORY_ITEM = gql`
  mutation UpdateInventoryItem($id: ID!, $input: UpdateInventoryItemInput!) {
    updateInventoryItem(id: $id, input: $input) {
      inventoryItem {
        id
        sku
        data
        inventoryJSONData
        dataTypeSlug
        updatedAt
        updatedBy
      }
      workflows {
        id
        type
        status
        runID
      }
    }
  }
`;

const { data } = await client.mutate({
  mutation: UPDATE_INVENTORY_ITEM,
  variables: {
    id: "item_123",
    input: {
      sku: "UPDATED-PRODUCT-456",
      data: {
        name: "Updated Smartphone X Pro",
        brand: "TechCorp",
        model: "X200",
        description: "Latest smartphone with enhanced features",
        specifications: {
          display: "6.7 inch OLED",
          processor: "Octa-core 3.2GHz",
          memory: "12GB",
          storage: "512GB",
          camera: "108MP Triple Camera"
        },
        color: "midnight blue",
        weight: 185
      },
      inventoryJSONData: {
        minimum_stock: 50,
        reorder_point: 100,
        supplier_lead_time: 14,
        storage_requirements: ["temperature_controlled"],
        handling_instructions: ["fragile", "keep_upright"]
      },
      dataTypeSlug: "premium_electronics"
    }
  }
});
```

## Important Notes

* The SKU should remain unique across all inventory items
* Updating an inventory item may trigger related workflows for stock management
* Use the clear flags to explicitly remove optional fields
* The `data` and `inventoryJSONData` fields support flexible JSON structures
* Changes to item associations (movements, transactions, stock) are applied incrementally


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