diff --git a/extension-iap/ext.properties b/extension-iap/ext.properties
new file mode 100644
index 0000000..776f0ef
--- /dev/null
+++ b/extension-iap/ext.properties
@@ -0,0 +1,11 @@
+[iap]
+title = IAP
+help = Settings for In-App Purchases extension
+group = Runtime
+
+iap_provider.type = string
+iap_provider.default = GooglePlay
+iap_provider.options = GooglePlay, Amazon
+
+auto_finish_transactions.type = bool
+auto_finish_transactions.default = 1