initial Random Source
Provides a reference to the underlying source of randomness to initialize each replication. Controls the underlying RandomIfc source for the element. This is the source to which each replication will be initialized. This is only used when the replication is initialized. Changing the reference has no effect during a replication.
WARNING: If this is used during a replication to change the characteristics of the random source, then each replication may not necessarily start in the same initial state. It is recommended that this be used only prior to executing replications.