DigitalOcean.Image.get

You're seeing just the function get, go back to DigitalOcean.Image module for more information.
Link to this function

get(id_or_slug)

Specs

Retrieve an image by id or slug.

Example retrieving an image by id

iex> DigitalOcean.Image.get(7555620) |> DigitalOcean.request()
{ :ok, %DigitalOcean.Response{} }

Example retrieving an image by slug

iex> DigitalOcean.Image.get("ubuntu-16-04-x64") |> DigitalOcean.request()
{ :ok, %DigitalOcean.Response{} }