Ariz. Rev. Stat. § 14-10504
A. Except as provided in subsection B of this section, whether or not a trust contains a spendthrift provision, a creditor of a beneficiary may not compel a distribution that is subject to the trustee's discretion, even if either:
B. To the extent a trustee has not complied with the applicable standard of distribution or has abused the discretion regarding distributions:
D. Whether or not a trust contains a spendthrift provision: