Note that the first line of the file must begin <?xml.
NB I have put markers with # symbols where each of three variables should go
#LONG #LAT #NAME use your text editors Search & Replace function to change the three variable to suit your data.
Do please copy all between the ==== marks below
==================================================
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.1">
<Placemark>
<name>SketchUp Model #NAME </name>
<description>model created by Terry Rawkins (trawkins@yahoo.co.uk)</description>
<LookAt>
<longitude>#LONG</longitude>
<latitude>#LAT</latitude>
<altitude>0</altitude>
<range>200</range>
<tilt>0</tilt>
<heading>0</heading>
</LookAt>
<Model id="model_4">
<altitudeMode>relativeToGround</altitudeMode>
<Location>
<longitude>#LONG</longitude>
<latitude>#LAT</latitude>
<altitude>0</altitude>
</Location>
<Orientation>
<heading>0</heading>
<tilt>0</tilt>
<roll>0</roll>
</Orientation>
<Scale>
<x>1</x>
<y>1</y>
<z>1</z>
</Scale>
<Link>
<href>#NAME.dae</href>
</Link>
</Model>
</Placemark>
</kml>
==============================
More to do on the href tag