Browser Extension for Google BigQuery
Be sure to first install the browser extension
Now, open the BigQuery user interface, e.g.:
https://console.cloud.google.com/bigquery?_gl=1*dxrlll*_up*MQ..&gclid=CjwKCAjwk7DFBhBAEiwAeYbJsSiLoRugDNoeRydxG6ANyjF48PQA-52xvzK392MyGs8Xb58FHmyIURoC81EQAvD_BwE&gclsrc=aw.ds&project=metaintegration.info:mitibqproject&ws=!1m33!1m4!6m3!1smetaintegration.info:mitibqproject!2sds_functions!3smultiplyInputs!1m4!1m3!1smetaintegration.info:mitibqproject!2sbquxjob_334b9006_1995e7aa8a4!3sUS!1m4!4m3!1smetaintegration.info:mitibqproject!2sds3!3s1table!1m3!3m2!1smetaintegration.info:mitibqproject!2sclusteredtbl!1m3!3m2!1smetaintegration.info:mitibqproject!2sds_tokyo!1m4!4m3!1smetaintegration.info:mitibqproject!2sds_tokyo!3ssunrise_monitor!1m4!4m3!1smetaintegration.info:mitibqproject!2sbo1!3scustomers
Go to bo1 > Customers:

When showing the report page the browser extension icon enables.

Click the icon.

And we see the Metadata Management panel on the right, (or however you configured it to appear in MANAGE > Tool Integration > Extensions)