| <?xml version="1.0" encoding="UTF-8"?> | 
| <ValidationRule xmlns="http://soap.sforce.com/2006/04/metadata"> | 
|     <fullName>CampaignShow_Must_Input</fullName> | 
|     <active>true</active> | 
|     <errorConditionFormula>InputCheck__c | 
| && TEXT(Consum_Apply__r.demo_purpose2__c) = '学会展会' | 
| && ISblank(TEXT(Show_demonstration__c))</errorConditionFormula> | 
|     <errorMessage>学会展会目的必须填写展示/演示</errorMessage> | 
| </ValidationRule> |