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# lr.evalString

Returns the string argument after evaluating embedded parameters.

String and Parameter Functions

## Syntax

    lr.evalString( instring );

## Arguments

Argument | Comments
--- | ---
instring | The string to evaluate.

The lr.evalString function returns the input string after evaluating any embedded parameters. If the string argument contains only a parameter, the function returns the current value of the parameter.

Embedded parameters must be in brackets.

## Return Values

Returns the value of the specified string. On error, returns null.

## Parameterization

All arguments can be parameterized using standard parameterization.

## Example

      lr.outputMessage("value : " + lr.evalString("The row count is: {row_cnt}"));

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