The capacity required to create, amend, revoke or add property to a revocable trust, or to direct the actions of the trustee of a revocable trust, is the same as that required to make a will.
Wyo. Stat. Ann. § 4-10-601
Capacity of settlor of revocable trust
Official source: Wyoming Legislature. Reproduced from public-domain Wyoming statutes; confirm against the official source for the current text. Not legal advice.