node.js - How to create Facebook's app to add an overlay to profile picture? -

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where start if want create facebook app add overlay profile picture?

i have seen many changing profile picture support digital india or pray french profile pictures how it?

right way know of through this, https://www.facebook.com/fbcameraeffects/learn/

it's rolling out might not available until then. if else knows of way through api i'd love know well.


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