code: def getParam(xmlelement):
      
      elementTag = clearTag(xmlelement.tag)
      if elementTag in ['userParam', 'cvParam', 'referenceableParamGroupRef']:
          if elementTag == 'cvParam':
              param = cvParamFromDict(xmlelement.attrib)
          elif elementTag == 'userParam':
              param = userParamFromDict(xmlelement.attrib)
          else:
              param = refParamGroupFromDict(xmlelement.attrib)
      else:
          param = False
      return param
docs: Converts an mzML xml element to a param tuple.
  
      :param xmlelement: #TODO docstring
  
      :returns: a param tuple or False if the xmlelement is not a parameter
          ('userParam', 'cvParam' or 'referenceableParamGroupRef')