asset-manifest.json

{
    "photos": {
        "items": [
            {  
                "id":1,
                "class":"Photo",
                "caption":"Photo about the 120 year old facade",
                "alternative":"image of the building",
                "image": "{{runtime reference to a variant}}",
                "variants": {
                    "mobile": {
                        "class":"File",
                        "name":"mobile",
                        "type":"image/png",
                        "source":"bucket/empid/pics/src",
                        "metadata": {
                            "size":42,
                            "width":10,
                            "height":20,
                            "location": { }
                        }
                    },
                    "desktop": {
                        "class":"File",
                        "name":"desktop",
                        "type":"image/png",                        
                        "source":"http://aws/bucket/and/some",
                        "metadata": {
                            "width": 800,
                            "height":400,
                            "size":12345
                        },
                        "thumbnail": {
                            "class":"File",
                            "type":"image/png",
                            "name":"thumbnail",
                            "source":"aws/bucket/empid/pics/photo_thumb.jpb"
                        }
                    }
                }
            },
            {
                "id":2,
                "class":"Photo",
                "caption":"invisible",
                "variants": {
                    "mobile":null,
                    "desktop":null
                }
            }
        ]
    },
    "brandAssets": {
        "images": {
            "header": {
                "class":"CompositImage",
                "name":"header",
                "image": "ref_to_actual_variant",
                "metadata": {
                    "backgroundColor": "hexColorValue"  
                },
                "variants": {
  
                }
            },
            "footer": {
                "class":"CompositImage"
            }
        },
        "colors": {
            "color1": {
                "type":"rgba",
                "value":"10,20,30,0.5"
            }
        }
    },
    "attachments" : {
        "items": [
            {
                "class":"Attachment",
                "caption":"Yearly financial report",
                "file": {
                    "class":"File",
                    "source":"aws/bucket/to/file"
                }
            }
        ]
    }
}