Microsoft Dynamics Axapta Technical,Functional Coverage

How to modify funding Source for particular Project contract in Project Module. Below is the code sample to get Idea for the same. ProjFundingSource projFundingSource; ProjInvoiceTable projInvoiceTable; LogisticsLocation logisticsLocation,logisticsLocationNew; ; ttsBegin; while select projInvoiceTable where (projInvoiceTable.ProjInvoiceProjId != "PROJ_002834") { while select forUpdate projFundingSource where projFundingSource.ContractId == projInvoiceTable.ProjInvoiceProjId { projFundingSource.FundingSourceId = projInvoiceTable.fundingSourceName(); projFundingSource.InvoiceLocation = 0; projFundingSource.update(); } } ttsCommit;