JS Function to Detect Clicked Help Source and Call Server Process to get Help Text

cnHelpUtil.js

/**
* @namespace var cnHelpUtil = {};
**/
var cnHelpUtil = {};

/**
* @function showHelp
* @example cnHelpUtil.showHelp(this, 'ITEM');
**/
cnHelpUtil.showHelp = function (theEvent, helpTrigger) {
  // Stop the standard help functionality from running.
  theEvent.browserEvent.stopImmediatePropagation();
  let helpValue;
  // Determine if trigger was a Page Item or an IG/IR Column.
  if (helpTrigger == 'ITEM') {
    helpValue = $(theEvent.triggeringElement).attr('data-itemhelp');
  } else {
    helpValue = $(theEvent.triggeringElement).attr('cn-help-key');
  }
  apex.debug.info("Trigger ", helpTrigger);
  apex.debug.info("Source ", helpValue);

  // Call Server Process to Fetch the Help Text.
  apex.server.process('FETCH_CUSTOM_HELP',
    {x01: helpTrigger,
     x02: helpValue},
    {success: function (pData) {
      // Display the Help Text.
      apex.theme.popupFieldHelp({title:'Item Help', helpText: pData.help_text});
    },
    error: function(e){
      console.log(e);
      apex.message.clearErrors();
      apex.message.showErrors([
        {
          type: "error",
          location: "page",
          message: 'Unable to get get Custom Help',
          unsafe: false
        }
      ]);
    },
    dataType: "json"
    }
  );
}