let entityName = "account";
        let viewDisplayName = "可用客戶";
        let lookupControl = Xrm.Page.getControl(attributeName);  //欄位名
        if (lookupControl == null) {
            return;
        }
        let id = '{2443A0FF-7988-43BC-849B-156F9B93FAD7}';
 
        let fetchXml = "<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='true'>"
            + "  <entity name='account'>"
            + "    <attribute name='accountnumber' />"
            + "    <attribute name='name' />"
            + "    <attribute name='accountid' />"
            + "    <link-entity name='scc_team_for_cust' from='scc_cust_id' to='accountid' link-type='outer' alias='stfc'></link-entity>";
 

        　　 + "  </entity>"
            + "</fetch>";

        let layoutXml = "<grid name='resultset' object='10013' jump='name' select='1' icon='1' preview='1'><row name='result' id='accountid'><cell name='accountnumber' width='300' /><cell name='name' width='300' /></row></grid>";
        lookupControl.addCustomView(id, entityName, viewDisplayName, fetchXml, layoutXml, 
 
false);
        lookupControl.setDefaultView(id);