install-update-helm-repo.md

The add command downloads the chart to your local repository, and the update command gets the latest charts from the remote repository. When you add the Helm chart to your local chart repository, provide a descriptive name for future reference.

The following add command names the charts vertica-charts:

$ helm repo add vertica-charts https://vertica.github.io/charts
  "vertica-charts" has been added to your repositories
$ helm repo update
  Hang tight while we grab the latest from your chart repositories...
  ...Successfully got an update from the "vertica-charts" chart repository
  Update Complete. ⎈Happy Helming!⎈