# Compute service

## Setup

To instantiate a Compute service object, you first need to setup a Rackspace/OpenStack client. To do this, or for more information, please consult the Clients documentation.

    $service = $client->computeService();

If no arguments are provided to the above method, certain values are set to their default values:

Param | Default value
--- | ---
`$name` | cloudServersOpenStack
`$region` | DFW
`$urltype` | publicURL