{
      "type": "custom",
       "bar": [
         {
           "type": "button",
           "name": "matugen",
           "class": "matugen-class",
           " on_click": "! bash ~/.config/ironbar/scripts/matugen.sh",
           "widgets": [
             {
               "type": "label",
               "label": " ",
               "size": 16
             }
           ]
         }
       ]
     },    

{
      "type": "custom",
      "bar": [
        {
          "type": "button",
          "name": "clipboard-custom",
          "class": "clipboard-custom-class",
          "on_click": "!~/.config/ironbar/scripts/clipse.sh",
          "widgets": [
            {
              "type": "label",
              "label": " ",
              "size": 16
            }
          ]
        }
      ]
    },