def get_avalon_knob_data(node, prefix="avalon:"):
    """ Get data from nodes's avalon knob

    Arguments:
        node (nuke.Node): Nuke node to search for data,
        prefix (str, optional): filtering prefix

    Returns:
        data (dict)
    """
    data = {
        knob[len(prefix):]: node[knob].value()
        for knob in node.knobs().keys()
        if knob.startswith(prefix)
    }
    return data