StreamingAssets and MAC OS

Hello, I have some issues with steaming assets when bulling for mac os.

StreamingAssets folder not copied into MyBuild.app, so I should go to Show Package Contents → Contents, and copy folder by myself. How to fix this?

And one more questions what if I what to add some native functions or payment systems? How can i Generate project for Mac OS like for IOS?

Thx.

Ok, Problem solved StreamingAssets is inside Package Contents → Contents → Data