Properties of a ParameterDefinition.
Properties:
| Name | Type | Attributes | Description | 
|---|---|---|---|
| name | string | null | <optional> | ParameterDefinition name | 
| type | google.cloud.dialogflow.cx.v3beta1.ParameterDefinition.ParameterType | null | <optional> | ParameterDefinition type | 
| description | string | null | <optional> | ParameterDefinition description |