OneLink Smart Script V2

      
      //Initializing Smart Script arguments
      // If a media source key is NOT FOUND on the link and NO default value is found, the script will return a null string 
      var mediaSource = {keys: ["my_media_source"], defaultValue: "my_default_media_source"};
      var campaign = {keys: ["my_campaign"], defaultValue: "my_default_campaign"};

      //Calling the function after embedding the code will be through a global parameter on the window object called window.AF_SMART_SCRIPT
      //Onelink URL is generated

      var result = window.AF_SMART_SCRIPT.generateDirectClickURL({
        afParameters:{
          mediaSource: mediaSource,
          campaign: campaign
        },
        platform: 'steam',
        app_id: '123456',
        redirectURL:'https://store.steampowered.com/app/440/Team_Fortress_2/'
      })
      
      var result_url = "No output from script"
      if (result) {
            result_url = result.clickURL;            
      }      
      document.getElementById('output_url').textContent = result_url;