diff --git a/nx/include/switch/audio/audio.h b/nx/include/switch/audio/audio.h
index 13a65825..059f3adf 100644
--- a/nx/include/switch/audio/audio.h
+++ b/nx/include/switch/audio/audio.h
@@ -8,6 +8,7 @@
 
 #include "../types.h"
 
+/// PcmFormat
 typedef enum {
     PcmFormat_Invalid = 0,
     PcmFormat_Int8 = 1,
@@ -18,6 +19,7 @@ typedef enum {
     PcmFormat_Adpcm = 6,
 } PcmFormat;
 
+/// AudioDeviceName
 typedef struct {
     char name[0x100];
 } AudioDeviceName;
diff --git a/nx/include/switch/services/caps.h b/nx/include/switch/services/caps.h
index 22b934e7..804eb298 100644
--- a/nx/include/switch/services/caps.h
+++ b/nx/include/switch/services/caps.h
@@ -52,3 +52,6 @@ typedef enum {
     AlbumImageOrientation_Unknown3 = 3,          ///< Unknown.
 } AlbumImageOrientation;
 
+// Get the ShimLibraryVersion.
+u64 capsGetShimLibraryVersion(void);
+
diff --git a/nx/source/services/caps.c b/nx/source/services/caps.c
new file mode 100644
index 00000000..11cef1cf
--- /dev/null
+++ b/nx/source/services/caps.c
@@ -0,0 +1,17 @@
+#include <string.h>
+#include "types.h"
+#include "result.h"
+#include "arm/atomics.h"
+#include "kernel/ipc.h"
+#include "kernel/event.h"
+#include "kernel/tmem.h"
+#include "services/sm.h"
+#include "services/caps.h"
+#include "runtime/hosversion.h"
+
+u64 capsGetShimLibraryVersion(void) {
+    u64 version=1; // [7.0.0-8.1.0]
+
+    return version;
+}
+