diff --git a/keyboards/zompi/zompi.c b/keyboards/zompi/zompi.c
index 7b48908cb2..b464347f8a 100644
--- a/keyboards/zompi/zompi.c
+++ b/keyboards/zompi/zompi.c
@@ -83,3 +83,38 @@ bool oled_task_kb(void) {
     return true;
 }
 #endif
+
+/* The encoder_update_user is a function.
+ * It'll be called by QMK every time you turn the encoder.
+ *
+ * The index parameter tells you which encoder was turned. If you only have
+ * one encoder, the index will always be zero.
+ *
+ * The clockwise parameter tells you the direction of the encoder. It'll be
+ * true when you turned the encoder clockwise, and false otherwise.
+ */
+bool encoder_update_user(uint8_t index, bool clockwise) {
+  /* With an if statement we can check which encoder was turned. */
+  if (index == 0) { /* First encoder */
+    /* And with another if statement we can check the direction. */
+    if (clockwise) {
+      /* This is where the actual magic happens: this bit of code taps on the
+         Page Down key. You can do anything QMK allows you to do here.
+         You'll want to replace these lines with the things you want your
+         encoders to do. */
+      tap_code(KC_PGDN);
+    } else {
+      /* And likewise for the other direction, this time Page Down is pressed. */
+      tap_code(KC_PGUP);
+    }
+  /* You can copy the code and change the index for every encoder you have. Most
+     keyboards will only have two, so this piece of code will suffice. */
+  } else if (index == 1) { /* Second encoder */
+    if (clockwise) {
+      tap_code(KC_UP);
+    } else {
+      tap_code(KC_DOWN);
+    }
+  }
+  return false;
+}