如何将我的应用程序中的图像分享到Instagram

I am doing the apps for online seller using swift 3. Then this apps could share the items into the social media. But I have a problem to sharing to the Instagram. Every apps has their own url scheme to open it right? Can you guys help me, what is the Instagram url scheme to directly open the crop page in the Instagram? I am doing the apps for online seller using swi