diff --git a/chatto/src/main/java/META-INF/additional-spring-configuration-metadata.json b/chatto/src/main/java/META-INF/additional-spring-configuration-metadata.json
new file mode 100644
index 0000000..1ab6d58
--- /dev/null
+++ b/chatto/src/main/java/META-INF/additional-spring-configuration-metadata.json
@@ -0,0 +1,5 @@
+{"properties": [{
+  "name": "chatto.token.timeout-duration",
+  "type": "java.lang.String",
+  "description": "A description for 'chatto.token.timeout-duration'"
+}]}
\ No newline at end of file