def prizyv():
    members = vk.messages.getConversationMembers(
        peer_id = peer_id,
    )['items']

    members_ids = [member['member_id'] for member in members if member['member_id'] > 0]

    message = 'Призыв!'

    for member_id in members_ids:
        if message >= 150:  # Замените на оптимальное количество символов
            send_message(peer_id, message)
            message = 'Призыв!'
        message += f'[id{member_id}|!]'

    send_message(peer_id, message)