+*--preview-url*::
+Specify the url for the link preview.
+The same url must also appear in the message body, otherwise the preview won't be displayed by the apps.
+
+*--preview-title*::
+Specify the title for the link preview (mandatory).
+
+*--preview-description*::
+Specify the description for the link preview (optional).
+
+*--preview-image*::
+Specify the image file for the link preview (optional).
+
+*--story-timestamp*::
+Specify the timestamp of a story to reply to.
+
+*--story-author*::
+Specify the number of the author of the story.
+
+*-e*, *--end-session*::
+Clear session state and send end session message.
+
+=== sendPaymentNotification
+
+Send a payment notification.
+
+RECIPIENT::
+Specify the recipient’s phone number.
+
+*--receipt* RECEIPT::
+The base64 encoded receipt blob.
+
+*--note* NOTE::
+Specify a note for the payment notification.
+