diff --git a/scripts/_common.sh b/scripts/_common.sh
index 8a31c04..674ce8d 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -2,6 +2,16 @@
 
 APP_BIN=mautrix-discord
 
+#=================================================
+# PERSONAL HELPERS
+#=================================================
+
+get_synapse_db_name() {
+	# Parameters: synapse instance identifier
+	# Returns: database name
+	ynh_app_setting_get --app="$1" --key=db_name
+}
+
 apply_permissions() {
     set -o noglob # Disable globbing to avoid expansions when passing * as value.
     declare values="list$role"