Scenario 1

Your Code

var comment = GetValue ( "cmi.comments_from_lms.0.
" );
var location = GetValue ( "cmi.comments_from_lms.0.
" );
var timestamp = GetValue ( "cmi.comments_from_lms.0.
" );

Code Example

var comment = GetValue ( "cmi.comments_from_lms.0.comment" );
var location = GetValue ( "cmi.comments_from_lms.0.location" );
var timestamp = GetValue ( "cmi.comments_from_lms.0.timestamp" );