{% for message in messages %}{{ message['role'] + ': ' }}{% for content in message['content'] %}{% if content['type'] == 'image' %}<|vision_start|><|image_pad|><|vision_end|>{% elif content['type'] == 'video' %}<|vision_start|><|video_pad|><|vision_end|>{% elif content['type'] == 'text' %}{{ content['text'] }}{% endif %}{% endfor %}{% endfor %}{% if add_generation_prompt %}{{ 'assistant: ' }}{% endif %}