diff --git a/examples/config.corn b/examples/config.corn
index 7e892df..8cb6d4c 100644
--- a/examples/config.corn
+++ b/examples/config.corn
@@ -24,19 +24,53 @@ let {
 
     $sys_info = {
         type = "sys-info"
-        format = ["{cpu-percent}% " "{memory-percent}% "]
+        format = ["{cpu_percent}% " "{memory_percent}% "]
     }
 
     $tray = { type = "tray" }
-    $clock = { type = "clock" }
+    $clock = {
+        type = "clock"
+        // show-if = "500:[ $(($(date +%s) % 2)) -eq 0 ]"
+        show_if.cmd = "exit 0"
+        show_if.interval = 500
+    }
 
     $phone_battery = {
         type = "script"
         path = "/home/jake/bin/phone-battery"
     }
 
+    $log_tail = {
+        type = "script"
+        path = "tail -f /home/jake/.local/share/ironbar/error.log"
+        mode = "watch"
+    }
+
+    $power_menu = {
+        type = "custom"
+        class = "power-menu"
+
+        bar = [ { type = "button" name="power-btn" label = "" on_click = "popup:toggle" } ]
+
+        popup = [ {
+            type = "box"
+            orientation = "vertical"
+            widgets = [
+                { type = "label" name = "header" label = "Power menu" }
+                {
+                    type = "box"
+                    widgets = [
+                        { type = "button" class="power-btn" label = "<span font-size='20pt'></span>" on_click = "!shutdown now" }
+                        { type = "button" class="power-btn" label = "<span font-size='20pt'></span>" on_click = "!reboot" }
+                    ]
+                }
+                { type = "label" name = "uptime" label = "Uptime: {{30000:uptime -p | cut -d ' ' -f2-}}" }
+            ]
+        } ]
+    }
+
     $left = [ $workspaces $launcher ]
-    $right = [ $mpd_local $mpd_server $phone_battery $sys_info $clock ]
+    $right = [ $mpd_local $mpd_server $phone_battery $sys_info $power_menu $clock ]
 }
 in {
     anchor_to_edges = true
diff --git a/examples/config.json b/examples/config.json
index b3f09a1..c8d2600 100644
--- a/examples/config.json
+++ b/examples/config.json
@@ -28,10 +28,10 @@
     },
     {
       "format": [
-        "{cpu-percent}% ",
-        "{memory-percent}% "
+        "{cpu_percent}% ",
+        "{memory_percent}% "
       ],
-      "type": "sys-info"
+      "type": "sys_info"
     },
     {
       "type": "tray"
diff --git a/examples/custom.corn b/examples/custom.corn
index 41ad89b..1619839 100644
--- a/examples/custom.corn
+++ b/examples/custom.corn
@@ -1,25 +1,29 @@
 let {
+    $button = { type = "button" name="power-btn" label = "" on_click = "popup:toggle" }
+
+    $popup = {
+        type = "box"
+        orientation = "vertical"
+        widgets = [
+            { type = "label" name = "header" label = "Power menu" }
+            {
+                type = "box"
+                widgets = [
+                    { type = "button" class="power-btn" label = "<span font-size='40pt'></span>" on_click = "!shutdown now" }
+                    { type = "button" class="power-btn" label = "<span font-size='40pt'></span>" on_click = "!reboot" }
+                ]
+            }
+            { type = "label" name = "uptime" label = "Uptime: {{30000:uptime -p | cut -d ' ' -f2-}}" }
+        ]
+    }
+
     $power_menu = {
         type = "custom"
         class = "power-menu"
 
-        bar = [ { type = "button" name="power-btn" label = "" exec = "popup:toggle" } ]
-
-        popup = [ {
-            type = "box"
-            orientation = "vertical"
-            widgets = [
-                { type = "label" name = "header" label = "Power menu" }
-                {
-                    type = "box"
-                    widgets = [
-                        { type = "button" class="power-btn" label = "<span font-size='40pt'></span>" exec = "!shutdown now" }
-                        { type = "button" class="power-btn" label = "<span font-size='40pt'></span>" exec = "!reboot" }
-                    ]
-                }
-            ]
-        } ]
+        bar = [ $button ]
+        popup = [ $popup ]
     }
 } in {
-    end = [ { type = "clock" } $power_menu ]
+    end = [ $power_menu { type = "clock" }  ]
 }
\ No newline at end of file
diff --git a/examples/sys-info.corn b/examples/sys-info.corn
index ec1556d..65f6ad3 100644
--- a/examples/sys-info.corn
+++ b/examples/sys-info.corn
@@ -1,7 +1,7 @@
 {
     end = [
         {
-            type = "sys-info"
+            type = "sys_info"
 
             interval.memory = 30
             interval.cpu = 1
@@ -10,12 +10,12 @@
             interval.networks = 3
 
             format = [
-                " {cpu-percent}% | {temp-c:k10temp-Tccd1}°C"
-                " {memory-used} / {memory-total} GB ({memory-percent}%)"
-                "| {swap-used} / {swap-total} GB ({swap-percent}%)"
-                " {disk-used:/} / {disk-total:/} GB ({disk-percent:/}%)"
-                "李 {net-down:enp39s0} / {net-up:enp39s0} Mbps"
-                "猪 {load-average:1} | {load-average:5} | {load-average:15}"
+                " {cpu_percent}% | {temp_c:k10temp_Tccd1}°C"
+                " {memory_used} / {memory_total} GB ({memory_percent}%)"
+                "| {swap_used} / {swap_total} GB ({swap_percent}%)"
+                " {disk_used:/} / {disk_total:/} GB ({disk_percent:/}%)"
+                "李 {net_down:enp39s0} / {net_up:enp39s0} Mbps"
+                "猪 {load_average:1} | {load_average:5} | {load_average:15}"
                 " {uptime}"
             ]
         }