diff --git a/infrastructure/docker/image/resources/file-functions.sh b/infrastructure/docker/image/resources/file-functions.sh
index 76a709d..fd19b2e 100644
--- a/infrastructure/docker/image/resources/file-functions.sh
+++ b/infrastructure/docker/image/resources/file-functions.sh
@@ -57,4 +57,13 @@ function restore-directory() {
     restic -v -r $RESTIC_REPOSITORY/${backup_file_path} restore ${snapshot_id} --target ${directory} --cacert ${CERTIFICATE_FILE}
   fi
   
-}
\ No newline at end of file
+}
+
+function list-snapshot-files() {
+  if [ -z ${CERTIFICATE_FILE} ];
+  then
+    restic -r ${RESTIC_REPOSITORY}/${backup_file_path} snapshots
+  else
+    restic -r ${RESTIC_REPOSITORY}/${backup_file_path} snapshots --cacert ${CERTIFICATE_FILE}
+  fi
+}