$ irb
> require 'webtrekk_connector'
 => true 

> conf = {
>   :endpoint => "https://xyz.endpoint.com/cgi-bin/wt/JSONRPC.cgi" ,
>   :user => "Foobar.baz" ,
>   :pwd => "fancypassword_1234"
> }

> connector = WebtrekkConnector.new(conf)
# I, [2020-05-18T15:37:16.694389 #74806]  INFO -- : Connector set up for https://xyz.endpoint.com/cgi-bin/wt/JSONRPC.cgi.

# some methods can be called without logging in:
> connector.get_account_list
# I, [2020-05-18T15:37:45.869833 #74806]  INFO -- : call_method: getAccountList
# I, [2020-05-18T15:37:45.870000 #74806]  INFO -- : sending request (method getAccountList) ...
 => [{"customerId"=>"748395739204857", "title"=>"Account No. 1"}]

# others require to be logged in:
> connector.get_analysis_objects_and_metrics_list
# I, [2020-05-18T15:38:13.095789 #74806]  INFO -- : call_method: getAnalysisObjectsAndMetricsList
# I, [2020-05-18T15:38:13.095897 #74806]  INFO -- : sending request (method getAnalysisObjectsAndMetricsList) ...
 => nil

> connector.login
# I, [2020-05-18T15:38:27.902296 #74806]  INFO -- : call_method: getAccountList
# I, [2020-05-18T15:38:27.902396 #74806]  INFO -- : sending request (method getAccountList) ...
# I, [2020-05-18T15:38:31.026991 #74806]  INFO -- : call_method: login
# I, [2020-05-18T15:38:31.027553 #74806]  INFO -- : sending request (method login) ...
 => "37f794e0e96e9285ec75b5ba4513c25f_835daa8caf6263b122d97ec97ad122c7" 

> connector.get_analysis_objects_and_metrics_list
# I, [2020-05-18T15:38:43.190740 #74806]  INFO -- : call_method: getAnalysisObjectsAndMetricsList
# I, [2020-05-18T15:38:43.190908 #74806]  INFO -- : sending request (method getAnalysisObjectsAndMetricsList) ...
 => {"customMetrics"=>[], "metrics"=>["% of All Visitors", "% of All Visits", ... , "Visits with Search Phrase"], "analysisObjects"=>[" Day since Customer Journey Start", "Ad Media Path", ... , "Years"]}