on_domain$fhir_extension$fhir_resources[[5]]
#&gt;   fhir_id       fhir_resource
#&gt; 1 4588936 FamilyMemberHistory
#&gt; 
#&gt; 
#&gt; 
#&gt; $extension_domain$scm_extension
#&gt; $extension_domain$scm_extension$scm_repository
#&gt; [1] "https://github.com/example/repo1"
#&gt; 
#&gt; $extension_domain$scm_extension$scm_type
#&gt; [1] "git"
#&gt; 
#&gt; $extension_domain$scm_extension$scm_commit
#&gt; [1] "c9ffea0b60fa3bcf8e138af7c99ca141a6b8fb21"
#&gt; 
#&gt; $extension_domain$scm_extension$scm_path
#&gt;