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# lr.get_master_host_name

Returns the name of the Controller host.

## JavaScript

    function lr.get_master_host_name( )

## VBScript

    Function lr.get_master_host_name( )

Example: lr.get_master_host_name | Informational Functions

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

Not applicable for products that do not run Vusers.

## Return Values

On success, returns the name of the Controller machine. On failure, returns NULL.

## Parameterization

Standard parameterization is not available for this function.

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