--- a/mod_roster_cloud.lua	2018-11-01 14:09:55.749222707 +0100
+++ b/mod_roster_cloud.lua	2018-11-01 14:02:27.707636759 +0100
@@ -39,7 +39,8 @@
 	return table.concat(response_body), status
 end
 
-local function inject_roster_contacts(username, host, roster)
+local function inject_roster_contacts(event)
+	local username, host, roster = event.username, event.host, event.roster;
 	module:log('debug', 'inject roster contacts for '..username)
 
 	local body, status = sendRequest(username)