To insert a symbolic reference to a field configuration simply type the identifier of the reference enclosed in "@" in place of the specific parameter.

This reference will be replaced, at runtime, with the replacement defined for that identifier in the specified substitution for the opening of the synoptic.

They can be substituted for any animation, text, references to items or expressions and action parameters or command line scripts.

The following has been parameterized expression that controls the background color of the animation:



Note: By placing one or more symbolic references the system can not verify the correctness of the expression inserted: therefore will you have to verify the correct operation of the system.