def Base_setTextValue(self, param):
    """
    - name: input username
      setTextValue:
        text: |
          multi line text1
          multi line text2
        id: elementid1
    """
    txt = self.getvalue(param)
    if txt is None:
        raise Exception("text not set: param=%s" % (param))
    elem = self.findmany2one(param)
    self.driver.execute_script("arguments[0].value = arguments[1];", elem, txt)
    return self.return_element(param, elem)