Under User Criteria you can choose the user's language.
So you would have to create one Notification for each language. An English notification, then a Russian notification.
In the English Notification you would go to User Criteria and set "User is browsing in the following language" to English.
In the Russian Notification you would go to User Criteria and set "User is browsing in the following language" to Russian.
So you would have to create one Notification for each language. An English notification, then a Russian notification.
In the English Notification you would go to User Criteria and set "User is browsing in the following language" to English.
In the Russian Notification you would go to User Criteria and set "User is browsing in the following language" to Russian.