How to send a notification from a game on OK.ru to a player who has not logged into the game for a long time?

Question

Classmates

There is a game on OK.ru with about 3 000 000 installations
At the moment there are only 20 000 DAUs
Players who have not logged into the game for a long time do not receive notifications from the game
How to send a notification from the game on OK.ru to a player who has not logged into the game for a long time?
notifications.sendMass notifications.sendSimple notifications.sendFavPromo methods are not delivered to players who haven't logged in for a long time

Answer 1

try to stimulate the players to send out suggestions
if the app is on ok.ru then https://apiok.ru/dev/sdk/js/ui.showNotification
if the app is on a mob then https://apiok.ru/ext/invite_suggest