VK targeting, how to change the display strategy from clicks to views?

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Friends, please tell me, I’m testing targeting advertising on VKontakte, I created an ad, moderation passed, I tried the pay-per-click strategy yesterday, now I want to change the pay-per-impression strategy, and I can’t figure out where to do it in the ad, edit it if it doesn’t already have such an item , tell me, is it really possible to do this at all? Or is it possible to set a payment strategy only when creating an ad?