VK community chatbot, how to send a random picture from an album?

Question

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I ran into a problem when writing a Vkontakte chat bot. I need to send a random picture from the album by command, for example, "/meme", tell me how this can be implemented?

Answer 1

I don’t know how VK access to pictures is arranged. If by index - generate a random number. If by name - get the names of all the pictures, add them to the array and randomly select pictures from the array.