def get_output_parameter(node):
    """Return the render output parameter name of the given node

    Example:
        root = hou.node("/obj")
        my_alembic_node = root.createNode("alembic")
        get_output_parameter(my_alembic_node)
        # Result: "output"

    Args:
        node(hou.Node): node instance

    Returns:
        hou.Parm

    """

    node_type = node.type().name()
    if node_type == "geometry":
        return node.parm("sopoutput")
    elif node_type == "alembic":
        return node.parm("filename")
    elif node_type == "comp":
        return node.parm("copoutput")
    else:
        raise TypeError("Node type '%s' not supported" % node_type)