You're seeing just the function query, go back to DatoCMS.GraphQLClient.Backends.StandardClient module for more information.
Link to this function

query(query, params \\ %{}, options \\ [])

  • params - an optional Map of query parameters
  • options - an optional Keyword of options which are passed on to Neuron
    • url - the endpoint (must be set here, or via configure/1)
    • headers - a keyword of request headers