Among her many exceptional character traits, Danielle z”l excelled in the mitzvah of kibbud av va’eim, honoring her parents.  Eternalizing this, the Danielle Sonnenfeld Foundation published a booklet of halachos and lessons pertaining to the mitzvah of honoring one’s parents that was excepted from the sefer Orchos Yosher by Maran Sar HaTorah Hagaon Harav Chaim Kanievsky, shlit”a.