Notice:
- _extraProperties -> 'searchKey'
- gridProps.displayField -> 'businessPartner$searchKey' 
Selector Definition:
init: function() {
        this.optionDataSource =     OB.Datasource.create(
    {
        createClassName: '',
        dataURL:'/charly/org.openbravo.service.datasource/BusinessPartner',
        requestProperties : { params : {
                    targetProperty : 'businessPartner',     
                    adTabId : '186',     
                    IsSelectorItem : 'true',     
                    Constants_FIELDSEPARATOR : '$',     
                    columnName : 'C_BPartner_ID',     
                    Constants_IDENTIFIER : '_identifier',     
                    _extraProperties : 'searchKey,businessPartnerCategory$name,vendor,name,customer'     
                }
        }, fields:[
    {name: 'id', type: '_id_13' ,primaryKey: true },
    {name: 'client', type: '_id_19' } , {name: 'client$_identifier' },
    {name: 'organization', type: '_id_19' } , {name: 'organization$_identifier' },
    {name: 'active', type: '_id_20' },
    {name: 'creationDate', type: '_id_16' },
    {name: 'createdBy', type: '_id_30' } , {name: 'createdBy$_identifier' },
    {name: 'updated', type: '_id_16' },
    {name: 'updatedBy', type: '_id_30' } , {name: 'updatedBy$_identifier' },
    {name: 'searchKey', type: '_id_10' },
    {name: 'name', type: '_id_10' },
    {name: 'name2', type: '_id_10' },
    {name: 'description', type: '_id_10' },
    {name: 'summaryLevel', type: '_id_20' },
    {name: 'businessPartnerCategory', type: '_id_19' } , {name: 'businessPartnerCategory$_identifier' },
    {name: 'oneTimeTransaction', type: '_id_20' },
    {name: 'potentialCustomer', type: '_id_20' },
    {name: 'vendor', type: '_id_20' },
    {name: 'customer', type: '_id_20' },
    {name: 'employee', type: '_id_20' },
    {name: 'isSalesRepresentative', type: '_id_20' },
    {name: 'referenceNo', type: '_id_10' },
    {name: 'dUNS', type: '_id_10' },
    {name: 'uRL', type: '_id_800101' },
    {name: 'language', type: '_id_106' } , {name: 'language$_identifier' },
    {name: 'taxID', type: '_id_10' },
    {name: 'taxExempt', type: '_id_20' },
    {name: 'invoiceSchedule', type: '_id_19' } , {name: 'invoiceSchedule$_identifier' },
    {name: 'valuation', type: '_id_10' },
    {name: 'volumeOfSales', type: '_id_12' },
    {name: 'noOfEmployees', type: '_id_11' },
    {name: 'nAICSSIC', type: '_id_10' },
    {name: 'dateOfFirstSale', type: '_id_15' },
    {name: 'acquisitionCost', type: '_id_12' },
    {name: 'expectedLifetimeRevenue', type: '_id_12' },
    {name: 'lifetimeRevenueToDate', type: '_id_12' },
    {name: 'share', type: '_id_11' },
    {name: 'formOfPayment', type: '_id_195' , valueMap: { '5': 'Bank Deposit', 'R': 'Bank Remittance', 'B': 'Cash', 'C': 'Cash on Delivery', '2': 'Check', 'K': 'Credit Card', '4': 'Money Order', 'P': 'On Credit', '3': 'Promissory Note', '1': 'Wire Transfer', 'W': 'Withholding' } },
    {name: 'creditLimit', type: '_id_12' },
    {name: 'creditUsed', type: '_id_12' },
    {name: 'paymentTerms', type: '_id_19' } , {name: 'paymentTerms$_identifier' },
    {name: 'priceList', type: '_id_166' } , {name: 'priceList$_identifier' },
    {name: 'printDiscount', type: '_id_20' },
    {name: 'orderDescription', type: '_id_10' },
    {name: 'orderReference', type: '_id_10' },
    {name: 'pOFormOfPayment', type: '_id_195' , valueMap: { '5': 'Bank Deposit', 'R': 'Bank Remittance', 'B': 'Cash', 'C': 'Cash on Delivery', '2': 'Check', 'K': 'Credit Card', '4': 'Money Order', 'P': 'On Credit', '3': 'Promissory Note', '1': 'Wire Transfer', 'W': 'Withholding' } },
    {name: 'purchasePricelist', type: '_id_800031' } , {name: 'purchasePricelist$_identifier' },
    {name: 'pOPaymentTerms', type: '_id_227' } , {name: 'pOPaymentTerms$_identifier' },
    {name: 'numberOfCopies', type: '_id_11' },
    {name: 'greeting', type: '_id_19' } , {name: 'greeting$_identifier' },
    {name: 'invoiceTerms', type: '_id_150' , valueMap: { 'D': 'After Delivery', 'O': 'After Order Delivered', 'S': 'Customer Schedule After Delivery', 'N': 'Do Not Invoice', 'I': 'Immediate' } },
    {name: 'deliveryTerms', type: '_id_151' , valueMap: { 'R': 'After Receipt', 'A': 'Availability', 'L': 'Complete Line', 'O': 'Complete Order' } },
    {name: 'deliveryMethod', type: '_id_152' , valueMap: { 'D': 'Delivery', 'P': 'Pickup', 'S': 'Shipper' } },
    {name: 'salesRepresentative', type: '_id_187' } , {name: 'salesRepresentative$_identifier' },
    {name: 'partnerParent', type: '_id_13' },
    {name: 'creditStatus', type: '_id_289' , valueMap: { 'H': 'Credit Hold', 'O': 'Credit OK', 'S': 'Credit Stop', 'W': 'Credit Watch', 'X': 'No Credit Check' } },
    {name: 'forcedOrg', type: '_id_276' } , {name: 'forcedOrg$_identifier' },
    {name: 'pricesShownInOrder', type: '_id_20' },
    {name: 'invoiceGrouping', type: '_id_800026' , valueMap: { '000000000000000': 'By customer', '000000000010000': 'By project', '000010000000000': 'By ship location' } },
    {name: 'maturityDate1', type: '_id_11' },
    {name: 'maturityDate2', type: '_id_11' },
    {name: 'maturityDate3', type: '_id_11' },
    {name: 'operator', type: '_id_20' },
    {name: 'uPCEAN', type: '_id_10' },
    {name: 'salaryCategory', type: '_id_19' } , {name: 'salaryCategory$_identifier' },
    {name: 'invoicePrintformat', type: '_id_800007' , valueMap: { '1': 'Detail', '3': 'Product detail', '2': 'Total' } },
    {name: 'consumptionDays', type: '_id_11' },
    {name: 'bankAccount', type: '_id_800046' } , {name: 'bankAccount$_identifier' },
    {name: 'taxCategory', type: '_id_800090' } , {name: 'taxCategory$_identifier' },
    {name: 'pOMaturityDate1', type: '_id_11' },
    {name: 'pOMaturityDate2', type: '_id_11' },
    {name: 'pOMaturityDate3', type: '_id_11' },
    {name: 'transactionalBankAccount', type: '_id_800046' } , {name: 'transactionalBankAccount$_identifier' },
    {name: 'sOBPTaxCategory', type: '_id_800090' } , {name: 'sOBPTaxCategory$_identifier' },
    {name: 'fiscalcode', type: '_id_10' },
    {name: 'isofiscalcode', type: '_id_10' },
    {name: 'incotermsPO', type: '_id_D2D4CC1F12434BB69733166A9423F2C6' } , {name: 'incotermsPO$_identifier' },
    {name: 'incotermsSO', type: '_id_D2D4CC1F12434BB69733166A9423F2C6' } , {name: 'incotermsSO$_identifier' },
    {name: 'paymentMethod', type: '_id_EED0EF97D4A7421687F3B365D009E7A6' } , {name: 'paymentMethod$_identifier' },
    {name: 'pOPaymentMethod', type: '_id_EED0EF97D4A7421687F3B365D009E7A6' } , {name: 'pOPaymentMethod$_identifier' },
    {name: 'account', type: '_id_DF1CEA94B3564A33AFDB37C07E1CE353' } , {name: 'account$_identifier' },
    {name: 'pOFinancialAccount', type: '_id_DF1CEA94B3564A33AFDB37C07E1CE353' } , {name: 'pOFinancialAccount$_identifier' },
    {name: 'customerBlocking', type: '_id_20' },
    {name: 'vendorBlocking', type: '_id_20' },
    {name: 'paymentIn', type: '_id_20' },
    {name: 'paymentOut', type: '_id_20' },
    {name: 'salesInvoice', type: '_id_20' },
    {name: 'purchaseInvoice', type: '_id_20' },
    {name: 'salesOrder', type: '_id_20' },
    {name: 'purchaseOrder', type: '_id_20' },
    {name: 'goodsShipment', type: '_id_20' },
    {name: 'goodsReceipt', type: '_id_20' },
    {name: 'cashVAT', type: '_id_20' },
    {name: 'currency', type: '_id_112' } , {name: 'currency$_identifier' },
    {name: 'setNewCurrency', type: '_id_28' },
    {name: 'searchKey', type: '_id_10' , additional: true },
    {name: 'businessPartnerCategory$name', type: '_id_10' , additional: true },
    {name: 'vendor', type: '_id_20' , additional: true },
    {name: 'name', type: '_id_10' , additional: true },
    {name: 'customer', type: '_id_20' , additional: true }
    ]}
    )

;
        this.Super('init', arguments);
    },
        outHiddenInputPrefix: 'inpcBpartnerId',
gridProps: { sort: 5 , autoExpand: true , displayField: 'businessPartner$searchKey', displaylength:44,fkField: true, showHover: true },    type: '_id_56DEFF37A33F46D1AC918C97C4447EAF'
}
,