How to send a message on behalf of the community?

Question

In contact with

there is an access key with the rights "Permissions: community management, community messages, photos, documents"
while vk swears at

stdClass Object
(
    [error] => stdClass Object
        (
            [error_code] => 15
            [error_msg] => Access denied: no access to call this method
            [request_params] => Array
                (
                    [0] => stdClass Object
                        (
                            [key] => oauth
                            [value] => 1
                        )

                    [1] => stdClass Object
                        (
                            [key] => method
                            [value] => messages.send
                        )

                    [2] => stdClass Object
                        (
                            [key] => message
                            [value] => test
                        )

                    [3] => stdClass Object
                        (
                            [key] => user_id
                            [value] => 530675
                        )

                    [4] => stdClass Object
                        (
                            [key] => attachment
                            [value] => audio240914674_456239019
                        )

                    [5] => stdClass Object
                        (
                            [key] => v
                            [value] => 5.62
                        )

                )

        )

)