# adding a new target make a file here like ```js // unsupported-apis-mosaic.js module.exports = require("./lib/unsupported-apis")("mosaic") ``` add a line to `../browser-targets.json` ```json "mosaic": { "minimumVersion": "1.0.0" } ``` add a few lines to `../.eslintrc.js` ```js "unsupported-apis-mosaic": [ "warn", { "minimumVersion": browserTargets.mosaic.minimumVersion } ], ```