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# hostgroup.update

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### Description

`object hostgroup.update(object/array hostGroups)`

This method allows to update existing hosts groups.

::: 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/users/user_roles)
for more information.
:::

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### Parameters

`(object/array)` [Host group properties](object#host-group) to be updated.

The `groupid` property must be defined for each host group, all other
properties are optional. Only the given properties will be updated, all
others will remain unchanged.

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### Return values

`(object)` Returns an object containing the IDs of the updated host
groups under the `groupids` property.

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### Examples

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#### Renaming a host group

Rename a host group to "Linux hosts".

[Request](/manual/api#performing-requests):

```json
{
    "jsonrpc": "2.0",
    "method": "hostgroup.update",
    "params": {
        "groupid": "7",
        "name": "Linux hosts"
    },
    "id": 1
}
```

Response:

```json
{
    "jsonrpc": "2.0",
    "result": {
        "groupids": [
            "7"
        ]
    },
    "id": 1
}
```

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### Source

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

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