(a) A postsecondary educational institution may designate one or more students enrolled at the institution as student advocates to whom other students enrolled at the institution may speak confidentially concerning sexual harassment, sexual assault, dating violence, and stalking. The institution shall notify each student enrolled at the institution of the student advocate(s) designated under this subsection.(b) A student advocate designated under Subsection (a) of this section may not disclose any communication made by a student to the advocate unless the student consents to the disclosure or the advocate is required to make the disclosure under state or federal law.