ame protocol://domain:port/application/path
#&gt; 
#&gt; $execution_domain$external_data_endpoints[[2]]
#&gt;                   name                        url
#&gt; 1 access to ftp server ftp://data.example.com:21/
#&gt; 
#&gt; $execution_domain$external_data_endpoints[[3]]
#&gt;                            name                                           url
#&gt; 1 access to e-utils web service https://eutils.ncbi.nlm.nih.gov/entrez/eutils
#&gt; 
#&gt; 
#&gt; $execution_domain$environment_variables
#&gt; $e