--- a/src/internfile/mimehandler.cpp
+++ b/src/internfile/mimehandler.cpp
@@ -376,3 +376,13 @@
     return true;
 }
 
+string RecollFilter::metadataAsString()
+{
+    string s;
+    for (const auto& ent : m_metaData) {
+        if (ent.first == "content")
+            continue;
+        s += ent.first + "->" + ent.second + "\n";
+    }
+    return s;
+}