FINANCIAL_ITEM_COMPLETE FINANCIAL Endpoint
  /rpc/financial/?method=FINANCIAL_ITEM_COMPLETE  
  Call this method once you have updated all the items (FINANCIAL_ITEM_MANAGE).
It caches the total amounts on the parent item, and creates the general ledger transactions.
 
  Uses Profile Setting 395 to determine if $0 tax (eg GST) transactions should be created. Default is N  
  PARAMETERS TYPE NOTES
  Object    
  ObjectContext    
  RETURN TYPE NOTES
  totalAmount    
  totalTax    
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