[QTP/UFT] RunAction with input and output parameter

Use RunAction with the following syntax
Runaction "Script name",iteration option, input param1, input param 2,..., output param 1, out put param2

Define parameters for an action

QTP/UFT Create action with input/output parameter

Call action with parameters

QTP/UFT Calling an action with input/output parameters

 Or using Action Call Properties dialog.

Another way
Dim retVal
RunAction "TC01_Test01",oneiteration,"Ben","Truong"
msgbox Parameter("TC01_Test01","outFullName")