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# Advanced Correlation Properties dialog box

Enables you to set the advanced options for correlation rules.

To access: Record > Recording Options > Correlation > Rules > New Rule > Advanced

User interface elements are described below:

UI Element | Description
--- | ---
Always create new parameter | Creates a new parameter for this rule even if the value replaced by the parameter has not changed from the previous instance.
Replace with parameter only for exact matches | Replaces a value with a parameter only when the text exactly matches the found value.
Reverse search | Performs a backwards search.
Left boundary instance | The number of occurrences of the left boundary in order for it to be considered a match.
Offset | The offset of the string within the found value.
Length | The length of the string, starting with the offset, to save to the parameter. If this is not specified, the parameter continues until the end of the found value.
Alternate right boundary | Alternative criteria for the right boundary, if the previously specified boundary is not found. Select one of the following options: User-defined Text, Newline Character, End Of Page.

## See also

- Protocol compatibility table

https://admhelp.microfocus.com VuGen,Professional Performance Engineering,Performance Engineering for Developers 8942
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