# Connections ## Model definitions ### Connection Description of a connection between devices in an instrument | Field | Type | Description | |-------|------|-------------| | `device_names` | `List[str]` | | | `connection_data` | Dict[str, [ConnectionData](#connectiondata)] | | ### ConnectionData Configuration data for a device connection including direction and port information | Field | Type | Description | |-------|------|-------------| | `direction` | Optional[[ConnectionDirection](#connectiondirection)] | | | `port` | `Optional[str]` | | ### ConnectionDirection Direction of a connection | Name | Value | |------|-------| | `SEND` | `Send` | | `RECEIVE` | `Receive` | | `SEND_AND_RECEIVE` | `Send and receive` |