Reading variable value via exit

Hi folks,
I have a problem while reading a variable value for a lead colum.my layout as follows,
header : Cost center
Lead Coloum : Functional location
Lead Coloum : Equipment
Data Coloum : Budget proposal.
Here, I have written a exit for both lead coloum. Actually i want Functional location based on Costcenter and Equipment based on Cost center and Functional location.
But Equipment variable is getting read before selecting the Functional location, So I am not getting the Equipment variable value based on Functional location.
Note : I am running layout in the Web.
Please suggest.
Thanks and Regards,
Meiy

Dear Meiy,
Try using characteristic relationship. Use two steps. In the first step, use exit to select the Func location. In the second step, use exit to select the Equipment.
regards,
Lokesh Nandula

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