 class="fragment">Gets the cameras pertinent to the render.

Args:
    msg (dict[str, str]): Message received from RabbitMQ publisher.
    dst_field (str, optional): Field mapping to cameras in msg.

Returns:
    list[str]: List of camera names.
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<h2 class="memtitle"><span class="permalink"><a href="#a1964c68b394a3f20179e3a79ecce70ee">&#9670;&nbsp;</a></span>get_frame_fns()</h2>

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