diff --git a/borghelper.sh b/borghelper.sh
index da1e516..d00bd5c 100755
--- a/borghelper.sh
+++ b/borghelper.sh
@@ -218,3 +218,18 @@ if [ ! -d "${borgBaseDir}/tmp" ]; then
     fi
 fi
 export TMPDIR="${borgBaseDir}/tmp"
+
+
+
+### exit gracefully
+cleanup
+exit 0
+
+
+### exit codes
+# 0:    no errors, script completed successfully
+# 1:    parameter error (missing, non-existant or invalid input)
+# 2:    parameter missing/invalid in .borgvars file
+# 3:    could not create/remove borg tmp directory
+
+#EOF
\ No newline at end of file