How to generate GPX file for Garmin GPS device?

 

Hello,

I know that GPX files use XML schemas to generate. I have been trying to generate GPX files from google maps directions for more than two destinations/waypoints. I want to develop a gpx file that uses the extensions just like the POI files in this POI factory website.

Can someone please give me an explanation? or point me in the right direction to get started?

Thank you.

Try Google Earth see

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Charlie. Nuvi 265 WT and Nuvi 2597 LMT. MapFactor Navigator - Offline Maps & GPS.