Is parameter only valid in Prolog?

[macsir]

Need to pass to a variable and then use it in Data tab?

[Alan Kirk]

Need to pass to a variable and then use it in Data tab?

In answer to the subject line: No.
In answer to the body of the post: Yes, you can.

(That's as comprehensive an answer as can be given without you providing the relevant information, including but not limited to what you have tried (including the actual code) to make this work.)

[macsir]

Need to pass to a variable and then use it in Data tab?

In answer to the subject line: No.
In answer to the body of the post: Yes, you can.

(That's as comprehensive an answer as can be given without you providing the relevant information, including but not limited to what you have tried (including the actual code) to make this work.)

Thanks, Alan. My bad, parameter is valid in Prolog. I found the root cause.