termux add extra keys

home/user/.termux/termux.properties

@@ -1 +1,23 @@
 enforce-char-based-input = true
+
+
+extra-keys = [ \
+    [ \
+        {key: ESC, popup: {macro: "CTRL d", display: exit}}, \
+        {key: PGUP}, \
+        {key: PGDN}, \
+        {key: HOME}, \
+        {key: UP}, \
+        {key: END}, \
+        {key: F12} \
+    ], \
+    [ \
+        {key: TAB}, \
+        {key: CTRL}, \
+        {key: ALT}, \
+        {key: LEFT}, \
+        {key: DOWN}, \
+        {key: RIGHT}, \
+        {key: KEYBOARD} \
+    ] \
+]