Creating Variables for Currency Translation Types   
Use
When you create a currency translation type you can use a variable for the exchange rate, target currency or time reference.
Procedure
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       1.      Open the Query Designer.
       2.      Create a new (dummy) query for an InfoProvider that contains the InfoObjects Exchange Rate Type (0RTYPE), Currency Key (0CURRENCY) orDate (0DATE), depending on which variable you require. You need this query to be able to create a variable in the Query Designer. For more information, see Defining New Queries.
       3.      Using the   symbol next to the relevant InfoObject (0RTYPE, 0CURRENCY or 0DATE) choose the New Variable entry. The variables editor appears. See also Defining Variables.
       4.      Enter a description for the variable.
       5.      If necessary, change the automatically generated suggestion for the technical name of the variable.
       6.      Choose the required processing type in the Processing by field. If you choose User Entry/Default Value, the system requests that you enter the currency in a dialog box in the query.
       7.      On the Currencies and Units tab page, select an appropriate dimension.
       8.      Choose OK. The variable is saved with the settings you made and the variables editor closes.
       9.      Leave the Query Designer.
Result
The variable can be used in the currency translation type