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This is a basic scripting technique for enhancing your VuGen scripts to add error checking and detailed logging (in this case a web HTTP status code that is in the 4XX – 5XX range) for specific steps.

First, set up a parameter called {pIteration} that uses the Iteration Number type to automatically keep track of the iteration. At the beginning of my action.c I might start with something like this:
// Declare Variables
int rc = 0, iHttp;
lr_vuser_status_message(“Starting iteration Number: %s”,
lr_eval_string({pIterati Read Entire Entry