Using Auction Custom Params

The params config property may be used for setting up custom params to every bid request

var config = {
  plugins: {
    amazonbidder: {
      resources: [
        { src: "//c.amazon-adsystem.com/aax2/apstag.js", type: "text/javascript" },
        { src: "${paths.plugins}amazonbidder/Amazonbidder.js", debug: "${paths.plugins}amazonbidder/Amazonbidder.js", type: "text/javascript" }
      ],
      pubID: 1234,
      adServer: "DFP",
      slots: [{
        slotID: 'preroll',
        mediaType: 'video'
      }],
      params: {
        test: 1234
      }
    }
  }
};
akamai.amp.AMP.create("amp", config);