'ref_ac_columns' variable attribute does not work on 'List collector' type variable on Service Catalog.Issue <!-- 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; } --> 'ref_ac_columns' variable attribute does not work on 'List collector' type variable on Service Catalog. Cause'ref_ac_columns' Variable attribute 'ref_ac_columns' Variable attribute does not work on 'List collector' type variable. As per the documentation, 'ref_ac_columns' variable attribute only works on 'Reference' type variable.ResolutionThere is currently an enhancement request to make it work with 'List collector' type variable. Related LinksService Catalog variable attributes product documentation