XML - what's a tag use to run a local application in xml

Question

In google earth , i have a place mark, and this place mark is written by xml. I want to run a local application when i click this place mark. Therefore I added code** in the code of this place mark, but when i click this place mark my local appication isn't run.

<Placemark>
    <name>Placemark</name>
    <LookAt>
        <longitude>13.48017999508694</longitude>
        <latitude>49.24758982142959</latitude>
        <altitude>0</altitude>
        <heading>-0.1609784865516569</heading>
        <tilt>0</tilt>
        <range>177060.1424456803</range>
        <gx:altitudeMode>relativeToSeaFloor</gx:altitudeMode>
    </LookAt>
    <styleUrl>#m_ylw-pushpin0</styleUrl>
    <Point>
        <gx:drawOrder>1</gx:drawOrder>
  **<local >"F:\need\Project\Tablo\WindowsFormsApplication1.exe"</local>**
        <coordinates>13.48017999508694,49.24758982142959,0</coordinates>
    </Point>
</Placemark>