California Code, Education Code - EDC § 44993

(b) If the respondent wants to contact the minor witness, the respondent shall contact the support person to coordinate any legal contact, including, but not necessarily limited to, an interview, deposition, or other hearing preparation task.

(c) The respondent may not use a private investigator or similar professional to make contact with the minor.

(d) The judge, at his or her discretion, may allow the support person to remain in close physical proximity to or in contact with the minor while the minor testifies.  A support person shall not provide the minor with an answer to any question directed to the minor during the course of the minor's testimony or otherwise prompt the minor.

(e) A support person appointed by the judge shall assist the minor to express the minor's views concerning the personal consequences of the minor's victimization, at a level and in a form of communication commensurate with the minor's age, maturity, and cognitive ability.

(f) Notwithstanding subdivision (a), a support person may, but need not, be assigned to a minor witness if that minor witness was not a direct victim of the alleged egregious misconduct.