Sample multiple scale on same source

MutlipleScaleOnSameSource

{
    "application_id":"YOUR_APP_ID",
    "src":"https://s3.amazonaws.com/blitdoc/pdfs/sample.pdf",
    "v":1.27,
    "functions":[
        {
            "name":"resize_to_fit",
            "params":{
                "width":"800"
            },
            "save":{
                "image_identifier":"MY_CLIENT_ID"
            }
        },
        {
            "name":"resize_to_fit",
            "params":{
                "width":"260",
               "height":"410"
            },
            "save":{
                "image_identifier":"MY_CLIENT_ID"
            }
        },
        {
            "name":"resize_to_fit",
            "params":{
                "width":"330",
               "height":"520"
            },
            "save":{
                "image_identifier":"MY_CLIENT_ID"
            }
        }    
    ]
}