LoadRunner lr_eval_string () function use and simple use of variables and parameters in LR

Lr_eval_string ()

Function: Returns the current value of a parameter in the script,

return value type: Char

The value of the output parameter is generally used when debugging scripts. Use the following:
Lr_output_message ("The Parameter1 ' s value is%s", lr_eval_string ("{parameter1}")), where the parameters parameter1 the parameters that were previously defined

Lr_log_message (Lr_eval_string ("{parameter1}"))

1. Assigning and taking values of parameters

Lr_save_string ("Hello World", "Param");
Lr_eval_string ("{param}");

2. Variables to parameters
int x;
x=10;
Lr_save_string (x, "param");
Lr_eval_string ("{param}");

3. Variable reading parameters
Char x[100];
x= "{param}";
Lr_save_string ("Hello World", "Param");
Lr_eval_string (x);

LoadRunner lr_eval_string () function use and simple use of variables and parameters in LR