| <?xml version="1.0" encoding="UTF-8"?> | 
| <CustomField xmlns="http://soap.sforce.com/2006/04/metadata"> | 
|     <fullName>Oncall_Equipment__c</fullName> | 
|     <deleteConstraint>SetNull</deleteConstraint> | 
|     <externalId>false</externalId> | 
|     <label>对象产品</label> | 
|     <lookupFilter> | 
|         <active>true</active> | 
|         <filterItems> | 
|             <field>Asset.Hospital__c</field> | 
|             <operation>equals</operation> | 
|             <valueField>$Source.Hospital__c</valueField> | 
|         </filterItems> | 
|         <isOptional>false</isOptional> | 
|     </lookupFilter> | 
|     <referenceTo>Asset</referenceTo> | 
|     <relationshipLabel>OnCall</relationshipLabel> | 
|     <relationshipName>OnCallEquipmentsetnull</relationshipName> | 
|     <required>false</required> | 
|     <trackHistory>true</trackHistory> | 
|     <trackTrending>false</trackTrending> | 
|     <type>Lookup</type> | 
| </CustomField> |