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# lr.get_master_host_name

Returns the name of the Controller host.

## C#

    string lr.get_master_host_name();

## VB.NET

    Function lr.get_master_host_name() as String

Informational Functions

## Arguments

Name | Comments
--- | ---
N/A |

The lr.get_master_host_name function returns the name of the computer running the Controller .

Not applicable for products that do not run Vusers.

## Return Values

The Controller name. On function failure, returns null.

## Parameterization

Standard parameterization is not available for this function.

## Example

The following example retrieves the master host name, checks its validity, and sends it to the output.

Copy code

    string masterhostname=lr.get_master_host_name();
    if(masterhostname==null)
       lr.output_message("Fail to get the master host name");
    else
       lr.output_message("Master Host Name = "+masterhostname);

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