> ## Documentation Index
> Fetch the complete documentation index at: https://developer.plugsurfing.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Commands Module

Supported Roam OCPI commands are limited to START\_SESSION and STOP\_SESSION; unsupported commands return NOT\_SUPPORTED.

## Commands module adjustments

| Command | Roam OCPI implementation |
| :- | :- |
| CANCEL\_RESERVATION | Not supported |
| RESERVE\_NOW | Not supported |
| START\_SESSION | Supported |
| STOP\_SESSION | Supported |
| UNLOCK\_CONNECTOR | Not supported |

**Note**: If a non-supported command is sent, an OCPI response with result `NOT_SUPPORTED` will be returned.


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