Tried to add keyboard shortcuts to trigger switch access commands. Maybe missing a permission.

chrome/browser/resources/chromeos/switch_access/manifest.json.jinja2

Index: chrome/browser/resources/chromeos/switch_access/manifest.json.jinja2
diff --git a/chrome/browser/resources/chromeos/switch_access/manifest.json.jinja2 b/chrome/browser/resources/chromeos/switch_access/manifest.json.jinja2
index 2ad774dd942ad6f10552152a42a38696d0632fb6..0a8e656b58ec6bedeb68e28989869a04eb9d3562 100644
--- a/chrome/browser/resources/chromeos/switch_access/manifest.json.jinja2
+++ b/chrome/browser/resources/chromeos/switch_access/manifest.json.jinja2
@@ -15,9 +15,33 @@
     ]
   },
   "permissions": [
-    "accessibilityPrivate"
+    "accessibilityPrivate",
+    "commands.accessibility"
   ],
   "automation": {
     "desktop": true
+  },
+  "commands": {
+    "previousItem": {
+      "description": "Move to the previous item",
+      "suggested_key": {
+        "default": "Alt+B",
+	"chromeos": "Ctrl+Shift+1"
+      }
+    },
+    "nextItem": {
+      "description": "Move to the next item",
+      "suggested_key": {
+        "default": "Alt+N",
+	"chromeos": "Ctrl+Shift+2"
+      }
+    },
+    "selectItem": {
+      "description": "Select the highlighted item",
+      "suggested_key": {
+        "default": "Alt+M",
+	"chromeos": "Ctrl+Shift+U"
+      }
+    }
   }
 }