# PUT: Modify a Redundancy Group
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Change the name of the specified redundancy group. 

## HTTP Request and Response
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### Request URL
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```
PUT http://<Conductor IP address>/redundancy_groups/<ID of redundancy group>
```

### Call Header
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+ Accept: Set to `application/xml`
+ Content-Type: Set to `application/xml`

If you are implementing user authentication, you must also include three authorization headers; see [Header Content for User Authentication](header-content-user.md).

### Request Body
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The body contains only the elements to change. For the format, see [POST: Create a Redundancy Group](set-up-redundancy-groups-create.md). 

## Example
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This request changes the name of the redundancy group with the ID 1. It changes the name to “backup\_nodes.” 

```
PUT http://198.51.100.0/redundancy_groups/1
------------------------------------------
Content-type:application/vnd.elemental+xml;version=3.3.0
Accept:application/xml
------------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<redundancy_group>
<name>backup_nodes</name>
</redundancy_group>
```