2 answers
Hi,As per the beloe help article.The available fields depend on which object the matching rule applies to and include both standard and custom fields.The supported input field types are email, lookup relationship, master-detail relationship, number, phone, standard picklists, custom picklists (single-select only), text, and URL.https://help.salesforce.com/articleView?id=matching_rule_matching_criteria.htm&type=5 Please mark it as solved if my reply was helpful. It will make it available for other as the proper solution. Best RegardsSandhya