| Name | Type | Description | Notes |
|---|---|---|---|
| type | str | The type of action. | |
| text | str | The button text. | |
| amount | int | The amount being charged. It needs to be specified in cents and is an integer (9.99$ -> 999). | |
| currency | str | An ISO 4217 standard currency code in lowercase. Used for actions of type buy. | [optional] |
| metadata | object | Flat object containing custom properties. Strings, numbers and booleans are the only supported format that can be passed to metadata. The metadata is limited to 4KB in size. | [optional] |
| uri | str | The webview URI. This is the URI that will open in the webview when clicking the button. | |
| default | bool | Boolean value indicating whether the action is the default action for a message item in Facebook Messenger. | [optional] |
| extra_channel_options | ExtraChannelOptions | [optional] | |
| payload | str | The payload of a postback or reply button. | |
| size | str | The size to display a webview. Used for actions of type webview. | [optional] |
| fallback | str | The fallback uri for channels that don’t support webviews. Used for actions of type webview. | |
| open_on_receive | bool | Boolean value indicating if the webview should open automatically. Only one action per message can be set to true. Currently only supported on the Web Messenger. | [optional] |