How to save parameter value to other parameter in LoadRunner?

"How to save parameter value to other parameter in LoadRunner?". OK, there is a simple solution.

To save parameter value to other parameter you have to:

1. Evaluate value of initial parameter
   Use lr_eval_string LoadRunner function.
2. Save the evaluated string to a second parameter
   Use lr_save_string LoadRunner function.

Please, check the following code:

// save string value to initial parameter
lr_save_string("some string value", "prmStr1");
lr_output_message(lr_eval_string("Value of prmStr1: {prmStr1}"));

// save the evaluated value to second parameter
lr_save_string(lr_eval_string("{prmStr1}"), "prmStr2");
lr_output_message(lr_eval_string("Value of prmStr2: {prmStr2}"));