To set the seed used by the Random function in order to generate the random numbers.
The seed parameter is of the N(10.0) type.
It can be set n times, and will affect the Randoms executed later. The value returned is not determined and it is not useful.
Do While <Condition>
&SeedNro = Random( )
It generates n pseudo-random numbers. Every time the application is run, it generates the same sequence of numbers because the seed always remains the same.