Card API
Properties
| Name | Description | Type | Required | Default value |
|---|---|---|---|---|
| thumbnail-source-width | This attribute is used to set how much the iframe should be scaled down. | string | - |
| Name | Description | Type | Required | Default value |
|---|---|---|---|---|
| thumbnail-source-width | This attribute is used to set how much the iframe should be scaled down. | string | - |