| Name | Type | Description | Notes |
|---|---|---|---|
| type | String | The type of action. | [default to 'buy'] |
| text | String | The button text. | |
| amount | Number | The amount being charged. It needs to be specified in cents and is an integer (9.99$ -> 999). | |
| currency | String | 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] |