# MessenteApi::Viber ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **sender** | **String** | Phone number or alphanumeric sender name | [optional] | | **validity** | **Integer** | After how many minutes this channel is considered as failed and the next channel is attempted. Only one of \"ttl\" and \"validity\" can be used. | [optional] | | **ttl** | **Integer** | After how many seconds this channel is considered as failed and the next channel is attempted. Only one of \"ttl\" and \"validity\" can be used. | [optional] | | **text** | **String** | Plaintext content for Viber | [optional] | | **image_url** | **String** | URL for the embedded image Valid combinations: 1) image_url, 2) text, image_url, button_url, button_text | [optional] | | **button_url** | **String** | URL of the button, must be specified along with ''text'', ''button_text'' and ''image_url'' (optional) | [optional] | | **button_text** | **String** | Must be specified along with ''text'', ''button_url'', ''button_text'', ''image_url'' (optional) | [optional] | | **channel** | **String** | The channel used to deliver the message | [optional][default to 'viber'] | ## Example ```ruby require 'messente_api' instance = MessenteApi::Viber.new( sender: null, validity: 360, ttl: 21600, text: null, image_url: null, button_url: null, button_text: null, channel: null ) ```