diff --git a/libguac/include/client.h b/libguac/include/client.h
index 028a89d0..583c8a84 100644
--- a/libguac/include/client.h
+++ b/libguac/include/client.h
@@ -122,6 +122,18 @@ typedef void guac_client_log_handler(guac_client* client, const char* format, va
  */
 typedef int guac_client_init_handler(guac_client* client, int argc, char** argv);
 
+/**
+ * Handler which will be called whenever a resource is being exposed.
+ */
+typedef int guac_client_resource_handler(guac_client* client,
+        guac_resource* resource);
+
+/**
+ * Handler which will be called whenever a valid resource is selected.
+ */
+typedef int guac_client_stream_handler(guac_client* client,
+        guac_resource* resource);
+
 /**
  * The flag set in the mouse button mask when the left mouse button is down.
  */