onEvent('item.tooltip', tooltip => {
    // Add tooltip to all of these items
    tooltip.add(['quark:backpack', 'quark:magnet', 'quark:crate'], 'Added by Quark Oddities')
    // You can also use any ingredient except #tag
    tooltip.add(/refinedstorage:red_/, 'Can be any color')
    // Multiple lines with an array []. You can also escape ' by using other type of quotation marks
    tooltip.add('thermal:latex_bucket', ["Not equivalent to Industrial Foregoing's Latex", 'Line 2'])
    
    tooltip.addAdvanced('thermal:latex_bucket', (item, advanced, text) => {
      text.add(0, Text.of('Hello')) // Adds text in first line, replacing title. If you want 2nd line, the index must be 1
    })
  })