Read data from a public Json data store so you can maintain state between several script runs

Read Json for Bing Ads Scripts

function main() {
    
    // Enter your own URI here, the same one you used when writing your data
    var MyJsonBin = 'https://api.myjson.com/bins/l46me';

    var options = {
        method:"get",
    };

    var response = UrlFetchApp.fetch(MyJsonBin, options);

    var tokens = JSON.parse(response.getContentText());
    var uri = tokens['uri'];
    for(var key in tokens) {
        var val = tokens[key];
        Logger.log(key + " " + val);
    }
}