Default app for file type

Hi there,
I was able to share my app’s output file via e.g. whatsapp (using ‘expo-sharing’). Now when receiver tries to open file I need my app is available there to open with, to be able to process file on receiver side.
Is there any metadata in app.json etc. where I can tell OS my app is suitable for given file type?
Thanks for help .
Z

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