Reference qualifier for subcategory returns blankIssue <!-- div.margin { padding: 10px 40px 40px 30px; } table.tocTable { border: 1px solid; border-color: #e0e0e0; background-color: #fff; } .title { color: #d1232b; font-weight: normal; font-size: 28px; } h1 { color: #d1232b; font-weight: normal; font-size: 21px; margin-bottom: 5px; border-bottom-width: 2px; border-bottom-style: solid; border-bottom-color: #cccccc; } h2 { color: #646464; font-weight: bold; font-size: 18px; } h3 { color: #000000; font-weight: bold; font-size: 16px; } h4 { color: #666666; font-weight: bold; font-size: 15px; } h5 { color: #000000; font-weight: bold; font-size: 13px; } h6 { color: #000000; font-weight: bold; font-size:14px; } ul, ol { margin-left: 0; list-style-position: outside; } --> Symptoms Reference qualifier for subcategory returns blank Reference qualifier using another reference variable is returning blank Cannot filter subcategory based on category Release Any Cause The reference qualifier for subcategory is not getting the category value Resolution Change the reference qualifier to get the value of the other reference variable. Sample as follows filters the subcategory records to return active=true, class_name=incident, type=subcategory, and parent_category=category. Instead of using current.category, since you are referring to another reference variable use current.variables.category.getValue() instead FROM:javascript:'active=true^class_name=incident^type=subcategory^parent_category=' + current.category;TO:javascript:'active=true^class_name=incident^type=subcategory^parent_category=' + current.variables.category.getValue();