diff --git a/main/medium/src/key_enums.rs b/main/medium/src/key_enums.rs
index 71797d7a..3e7cad87 100644
--- a/main/medium/src/key_enums.rs
+++ b/main/medium/src/key_enums.rs
@@ -150,6 +150,18 @@ pub enum TrackAttributeKey<'a> {
     ///
     /// - 0 → unselected
     /// - 1 → selected
+    VuMode,
+    /// Track vu mode.
+    ///  
+    /// `*mut i32`
+    /// - 0 → Stereo Peaks
+    /// - 2 → Multichannel Peaks
+    /// - 4 → Stereo RMS
+    /// - 8 → Combined RMS
+    /// - 12 → LUFS-M
+    /// - 16 → LUFS-S (readout = Max)
+    /// - 20 → LUFS-S (readout = Current)
+    /// LUFS calculation on channels 1+2 only.
     Selected,
     /// Current TCP window height in pixels including envelopes (read-only).
     ///
@@ -416,6 +428,7 @@ impl<'a> TrackAttributeKey<'a> {
             McpY => reaper_str!("I_MCPY").into(),
             MidiHwOut => reaper_str!("I_MIDIHWOUT").into(),
             Nchan => reaper_str!("I_NCHAN").into(),
+            VuMode => reaper_str!("I_VUMODE").into(),
             PanMode => reaper_str!("I_PANMODE").into(),
             PerfFlags => reaper_str!("I_PERFFLAGS").into(),
             PlayOffsetFlag => reaper_str!("I_PLAY_OFFSET_FLAG").into(),