ScriptAction Class 
Custom script action to run on HDI ondemand cluster once it's up.
All required parameters must be populated in order to send to server.
Constructor
ScriptAction(*, name: str, uri: str, roles: MutableMapping[str, Any], parameters: str | None = None, **kwargs: Any)Keyword-Only Parameters
| Name | Description | 
|---|---|
| name | The user provided name of the script action. Required. | 
| uri | The URI for the script action. Required. | 
| roles | 
				<xref:JSON>
		 The node types on which the script action should be executed. Required. | 
| parameters | The parameters for the script action. Default value: None |