Activity › Forums › Salesforce® Discussions › How to tell if a field is not supported in metadata API? Tagged: Metadata API, Salesforce Apex, Salesforce Custom Field, Salesforce SOQL, Validation Rules Salesforce® Discussions How to tell if a field is not supported in metadata API? Posted by Himanshu on April 30, 2016 at 5:58 PM How to tell if a field is not supported in metadata API? Ravi replied 10 years ago 2 Members · 1 Reply Metadata APISalesforce ApexSalesforce Custom FieldSalesforce SOQLValidation Rules 1 Reply Ravi Member May 25, 2016 at 6:35 AM Hi Himanshu, You can validate before deployment. There is no way to get error before performing validation or deployment. Log In to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me