def METHOD_NAME(xmlFilePath):
    tree = ElementTree.parse(xmlFilePath)
    param = tree.findall('FieldSpecifications/FieldSpecification')
    pressure = 0.0
    found_traction = False
    for elem in param:
        if elem.get("fieldName") == "traction" and elem.get("component") == "0":
            pressure = float(elem.get("scale")) * (-1)
            found_traction = True
        if found_traction: break
    return pressure