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Currency Conversion

The ABAP Core Data Services (CDS) provide the built-in function CURRENCY_CONVERSION to convert different currencies to a common target currency.

For more information, see CDS DDL - CDS View Entity, Unit and Currency Conversion Functions in the ABAP Keyword Documentation.

To customize this conversion function, you can use API class CL_EXCHANGE_RATES to load the current exchange rates into your system for a correct conversion. Class CL_EXCHANGE_RATES is based on the business API function modules BAPI_EXCHRATE_CREATEMULTIPLE and BAPI_EXCHANGERATE_SAVEREPLICA.

API class CL_EXCHANGE_RATES provides PUT methods to write exchange rates to the corresponding customizing persistence. For more information, see the ABAP Doc comments in the class implementation.

Note that aside from use in CDS, the class additionally provides two methods to convert currencies.

Example

Sample Code:

 @AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'Currency Conversion Example'
@Metadata.ignorePropagatedAnnotations: true
define view entity Z_CURR_CONV_EXAMPLE 
as select from /DMO/I_Supplement
{
  key SupplementID,
      @Semantics.amount.currencyCode: 'CurrencyCode'
      Price,
      CurrencyCode,
      @Semantics.amount.currencyCode: 'CurrencyUSD'
      currency_conversion(
                           amount => Price,
                           round => '',
                           source_currency => CurrencyCode,
                           target_currency => cast('USD' as abap.cuky),
                           exchange_rate_date => cast($session.system_date as abap.dats)
                         ) as PriceInUSD,
      cast('USD' as abap.cuky) as CurrencyUSD
}

Note:

You can find a more detailed working example in GitHub at https://github.com/SAP-samples/cloud-abap-exchange-rates to learn how to obtain and store exchange rates from an official source.