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# lr.log

Sends a message to the log file.

## C#

    void lr.log ( string message );

## VB.NET

    Sub lr.log ( ByVal message As String )

Message Functions

## Arguments

Name | Comments
--- | ---
message | The string to send to the log.

The lr.log function sends a message to the log file and not to the output window. Use this function instead of lr.message to conserve the network resources required for sending messages to the output.

This function is identical to lr.log_message, except it inserts a quotation mark at the beginning of the string, enabling VuGen to display it in green in the output window.

In the Vuser Execution log, this function does not list the location and line number from where the message was issued. To issue a message with those details, use lr.output_message.

#### statement | #### Output
--- | ---
lr.log("a message") | "a message"
lr.output_message("a message"); | Action(4): a message

## Return Values

No value returned.

## Parameterization

All input arguments can be parameterized using standard parameterization.

## Example

The following example sends an error message to the log file after a failed login.

Copy code

    public int login(string username, string password)
    {
    //emulate failed login
    return lr.FAIL;
    }
    int status = login("username","password");

    if (status == lr.FAIL) {
       string strOutputMsg="Error: Unable to login to server";
       lr.log(strOutputMsg);
    }

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