docs/Viber.md in messente_api-1.4.0 vs docs/Viber.md in messente_api-2.1.0

@@ -1,29 +1,32 @@
 # 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 | [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']
+| 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'] |
 
-## Code Sample
+## Example
 
 ```ruby
-require 'MessenteApi'
+require 'messente_api'
 
-instance = MessenteApi::Viber.new(sender: null,
-                                 validity: 360,
-                                 text: null,
-                                 image_url: null,
-                                 button_url: null,
-                                 button_text: null,
-                                 channel: null)
+instance = MessenteApi::Viber.new(
+  sender: null,
+  validity: 360,
+  ttl: 21600,
+  text: null,
+  image_url: null,
+  button_url: null,
+  button_text: null,
+  channel: null
+)
 ```
-