Magentoa2z

Here are the steps to add a custom validation to the UI Form field: Add the following code to your field in xml file: <item name="validation" xsi:type="array">     <item name="custom_auth_validation" xsi:type="boolean">true</item> </item>  Then add the following code to your js while which is loading on that page: validator.addRule(         'custom_validation',         function (value) {             if (jQuery( "input[name='authorization_required']" ).val() == 1                  && jQuery( "input[name='auth_code']" ).val() == "") {                 return false;             }             return true;         }         ,$.mage.__('Custom validation message...')     );