1. Open OMS tab and click on BY or SL, depending on the transaction you want to make.
2. A ticket will be shown and here: Enter the FXSPOT security (i.e., EUR/USD SPOT)
NOTE: Fill in the needed fields such as QTY; TAG; Dates; Ref. FX Rate.
Deal Rate = Always multiplicative in FXSPOT (and FXFORWARD) between 2 Currencies SPOT
Ref. F/X = is (as always in Spark) the quoted rate from PriceCurrency to Account Currency (EUR/USD SPOT Price currency is USD. Always the second Currency)