The court may appoint an assessor under section 30 of the Children’s Law Reform Act to to assess and report to the court on the needs of the children and the ability and willingness of the parties or any of them to satisfy the needs of the children. In the case below, a court made such an order:
https://www.canlii.org/en/on/onsc/doc/2017/2017onsc1568/2017onsc1568.html