# Dropbox::Sign::ApiAppUpdateRequest ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | `callback_url` | ```String``` | The URL at which the API App should receive event callbacks. | | | `custom_logo_file` | ```File``` | An image file to use as a custom logo in embedded contexts. (Only applies to some API plans) | | | `domains` | ```Array``` | The domain names the ApiApp will be associated with. | | | `name` | ```String``` | The name you want to assign to the ApiApp. | | | `oauth` | [```SubOAuth```](SubOAuth.md) | | | | `options` | [```SubOptions```](SubOptions.md) | | | | `white_labeling_options` | [```SubWhiteLabelingOptions```](SubWhiteLabelingOptions.md) | | |