# item.update

### Description

`object item.update(object/array items)`

This method allows to update existing items.

::: noteclassic
Web items cannot be updated via the Zabbix API.
:::

::: noteclassic
This method is only available to *Admin* and *Super admin*
user types. Permissions to call the method can be revoked in user role
settings. See [User
roles](/manual/web_interface/frontend_sections/administration/user_roles)
for more information.
:::

### Parameters

`(object/array)` Item properties to be updated.

The `itemid` property must be defined for each item, all other
properties are optional. Only the passed properties will be updated, all
others will remain unchanged.

Additionally to the [standard item properties](object#item), the method
accepts the following parameters.

|Parameter|[Type](/manual/api/reference_commentary#data_types)|Description|
|---------|---------------------------------------------------|-----------|
|applications|array|IDs of the applications to replace the current applications.|
|preprocessing|array|[Item preprocessing](/manual/api/reference/item/object#item_preprocessing) options to replace the current preprocessing options.|

### Return values

`(object)` Returns an object containing the IDs of the updated items
under the `itemids` property.

### Examples

#### Enabling an item

Enable an item, that is, set its status to "0".

Request:

``` {.java}
{
    "jsonrpc": "2.0",
    "method": "item.update",
    "params": {
        "itemid": "10092",
        "status": 0
    },
    "auth": "700ca65537074ec963db7efabda78259",
    "id": 1
}
```

Response:

``` {.java}
{
    "jsonrpc": "2.0",
    "result": {
        "itemids": [
            "10092"
        ]
    },
    "id": 1
}
```

#### Update dependent item

Update Dependent item name and Master item ID. Only dependencies on same
host are allowed, therefore Master and Dependent item should have same
hostid.

Request:

``` {.java}
{
    "jsonrpc": "2.0",
    "method": "item.update",
    "params": {
        "name": "Dependent item updated name",
        "master_itemid": "25562",
        "itemid": "189019"
    },
    "auth": "700ca65537074ec963db7efabda78259",
    "id": 1
}
```

Response:

``` {.java}
{
    "jsonrpc": "2.0",
    "result": {
        "itemids": [
            "189019"
        ]
    },
    "id": 1
}
```

#### Update HTTP agent item

Enable item value trapping.

Request:

``` {.java}
{
    "jsonrpc": "2.0",
    "method": "item.update",
    "params": {
        "itemid": "23856",
        "allow_traps": "1"
    },
    "auth": "700ca65537074ec963db7efabda78259",
    "id": 1
}
```

Response:

``` {.java}
{
    "jsonrpc": "2.0",
    "result": {
        "itemids": [
            "23856"
        ]
    },
    "id": 1
}
```

#### Updating an item with preprocessing

Update an item with item preprocessing rule "In range".

Request:

``` {.java}
{
    "jsonrpc": "2.0",
    "method": "item.update",
    "params": {
        "itemid": "23856",
        "preprocessing": [
            {
                "type": "13",
                "params": "\n100",
                "error_handler": "1",
                "error_handler_params": ""
            }
        ]
    },
    "auth": "700ca65537074ec963db7efabda78259",
    "id": 1
}
```

Response:

``` {.java}
{
    "jsonrpc": "2.0",
    "result": {
        "itemids": [
            "23856"
        ]
    },
    "id": 1
}
```

#### Updating a script item

Update a script item with a different script and remove unnecessary
parameters that were used by previous script.

Request:

``` {.java}
{
    "jsonrpc": "2.0",
    "method": "item.update",
    "params": {
        "itemid": "23865",
        "parameters": [],
        "script": "Zabbix.Log(3, 'Log test');\nreturn 1;"
    },
    "auth": "700ca65537074ec963db7efabda78259",
    "id": 1
}
```

Response:

``` {.java}
{
    "jsonrpc": "2.0",
    "result": {
        "itemids": [
            "23865"
        ]
    },
    "id": 1
}
```

### Source

CItem::update() in *ui/include/classes/api/services/CItem.php*.