20 Pa.C.S. § 3913
(4) if requested by the custodian:
Unless otherwise ordered by the court, directed by the user or provided in a trust, a custodian shall disclose to a trustee that is not an original user of an account a catalog of electronic communications sent or received by an original or successor user and stored, carried or maintained by the custodian in an account of the trust and any digital assets, other than the content of electronic communications, in which the trust has a right or interest if the trustee gives the custodian:
Cross References. Section 3913 is referred to in section 3916 of this title.