test_foo

test_foo

{
     "application_id": "YOUR_APP_ID",
     "src" : "https://s3.amazonaws.com/img.blitline/temp_folder/image.jpg",
     "functions" : [
                 {
                        "name": "composite",
                         "params" : {
                                "src" : "https://s3.amazonaws.com/img.blitline/temp_folder/mask1.png",
                               "composite_op"  :"CopyOpacityCompositeOp",
                               "as_mask" : true            
            },
                         "save" : {
                                 "image_identifier" : "MY_CLIENT_ID"             
            }        
        }     
    ]
}