editor/ios/ic_attach_file.imageset/Contents.json

{
    "images": [
        {
            "filename": "ic_attach_file.png",
            "idiom": "universal",
            "scale": "1x"
        },
        {
            "filename": "ic_attach_file_2x.png",
            "idiom": "universal",
            "scale": "2x"
        },
        {
            "filename": "ic_attach_file_3x.png",
            "idiom": "universal",
            "scale": "3x"
        }
    ],
    "info": {
        "author": "xcode",
        "version": 1
    }
}