There are a couple different ways to configure the SDK for a Looker server.
This example sets them as environment variables.
To set the environment vars go to Product
>Scheme
>Edit Scheme...
and add
LOOKERSDK_BASE_URL
for the Looker API server URL, likehttps://foo.looker.com:19999
LOOKER_API_VERSION
as4.0
LOOKERSDK_CLIENT_ID
for the API Client IDLOOKERSDK_CLIENT_SECRET
for the API Client Secret