def METHOD_NAME(xmlFilePath):
    tree = ElementTree.parse(xmlFilePath)
    param = tree.findall('FieldSpecifications/Traction')
    found_pressure = False
    for elem in param:
        if elem.get("name") == "NormalTraction" and elem.get("tractionType") == "normal":
            pressure = float(elem.get("scale")) * (-1)
            found_pressure = True
        if found_pressure: break
    return pressure