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scala - How to get path to the uploaded file

I am running an spark cluster on google cloud and I upload a configuration file with each job. What is the path to a file that is uploaded with a submit command?

In the example below how can I read the file Configuration.properties before the SparkContext has been initialized? I am using Scala.

 gcloud dataproc jobs submit spark --cluster my-cluster --class MyJob  --files  config/Configuration.properties --jars my.jar  
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