Properties of an ApiKeyConfig.
Properties:
| Name | Type | Attributes | Description | 
|---|---|---|---|
| keyName | string | null | <optional> | ApiKeyConfig keyName | 
| apiKey | string | null | <optional> | ApiKeyConfig apiKey | 
| requestLocation | google.cloud.dialogflow.cx.v3beta1.Tool.Authentication.RequestLocation | null | <optional> | ApiKeyConfig requestLocation |