Currency Key in IT 0008

Dear All Experts,

I wish to assign an employee with 2 different wage types with different currency keys in IT 0008. I have tried all the possible ways but am unable to acheive the same.I wish to know whether it is possible to achieve the same by config or can i take a key and open the Currency key in IT 0008.will it have any issues/

Please help me on this and guide.

Regards

Stuck with this....