| <?xml version="1.0" encoding="UTF-8"?> | 
| <CustomField xmlns="http://soap.sforce.com/2006/04/metadata"> | 
|     <fullName>Invoice_attachment__c</fullName> | 
|     <externalId>false</externalId> | 
|     <formula>IF(Invoice_quantity__c > 0, true, false)</formula> | 
|     <formulaTreatBlanksAs>BlankAsZero</formulaTreatBlanksAs> | 
|     <label>发票附件</label> | 
|     <trackHistory>false</trackHistory> | 
|     <trackTrending>false</trackTrending> | 
|     <type>Checkbox</type> | 
| </CustomField> |