condition OccurredThis function returns a formatted string describing when, where, and why an error, message, or warning occurred.
netsim_cond_msg(cond, module, at, msg)A formatted string describing where and when the condition
occurred as well as the condition's message.
The type of condition handled (message, warning, error).
The name of the module where the condition occurred.
The time step the condition occurred.
The condition's message.