diff --git a/C/Cpp_include/c4Collection.hh b/C/Cpp_include/c4Collection.hh
index d08a075eb..9d388d209 100644
--- a/C/Cpp_include/c4Collection.hh
+++ b/C/Cpp_include/c4Collection.hh
@@ -55,6 +55,7 @@ struct C4Collection
     virtual uint64_t getDocumentCount() const = 0;
 
     virtual C4SequenceNumber getLastSequence() const = 0;
+    virtual uint64_t getPurgeCount() const = 0;
 
     C4ExtraInfo& extraInfo() noexcept { return _extraInfo; }
 
diff --git a/LiteCore/Database/CollectionImpl.hh b/LiteCore/Database/CollectionImpl.hh
index 81c62dd13..9323e9570 100644
--- a/LiteCore/Database/CollectionImpl.hh
+++ b/LiteCore/Database/CollectionImpl.hh
@@ -89,6 +89,7 @@ namespace litecore {
         uint64_t getDocumentCount() const override { return keyStore().recordCount(); }
 
         C4SequenceNumber getLastSequence() const override { return keyStore().lastSequence(); }
+        uint64_t getPurgeCount() const override { return keyStore().purgeCount(); }
 
         DatabaseImpl* dbImpl() { return asInternal(getDatabase()); }