Can you add further details for code with table with id main_table and search with id main_search? Is the search linked with the table i.e. present within table? Try to put the following at the beginning of your code and step through each JS debug step in Browser or Debugger of your preference to see which step is actually failing. console.log("Script Loaded"); Most important part is whether it is entering table render code and classes are being added or not. If you are using code from the following post you may also have to ensure that null fields are handled in SPL using fillnull. https://community.splunk.com/t5/Dashboards-Visualizations/How-can-I-get-the-Table-cell-colorization-rendering-for-every/td-p/289392 or  https://community.splunk.com/t5/Splunk-Search/Add-colors-to-a-table-for-dynamic-columns/td-p/411419 ... View more