def getSubNode(prgNode, NodeName):
    """ Find Sub-Node in Programm Node

    Arguments:
        prgNode {ua PrgNode} -- Programm node to scan
        NodeName {[type]} -- Name of Sub-Node to find

    Returns:
        ua Node -- Sub-Node
    """
    for child in prgNode.get_children():
        if child.get_display_name().Text == NodeName:
            return child