The following example returns the number of parameters in step 2 into the variable iNumOfSteps. It then goes into a loop and displays each parameter, one by one, in a message box.
Sub Main
Dim iNumOfSteps As Integer
Dim varParameter As Variant
iNumOfSteps = CurrentTask2.GetStepParamCount (1)
for iIndex = 0 to iNumOfSteps
varParameter = CurrentTask2.GetStepParameter (1, iIndex)
MsgBox varParameter
next iIndex
End Sub