diff --git a/src/MyFirstUDRKit.cpp b/src/MyFirstUDRKit.cpp
index 27a6a66..59ae072 100644
--- a/src/MyFirstUDRKit.cpp
+++ b/src/MyFirstUDRKit.cpp
@@ -106,6 +106,61 @@ FB_UDR_BEGIN_FUNCTION(MFK_flagged)
 FB_UDR_END_FUNCTION
 
 
+/*** DDL
+ create function Blob_Save (
+	afilename varchar(8191),
+	ablobcallback BLOB
+	) returns bigint
+	external name 'my_first_udr_kit!MFK_Blob_Save'
+	engine udr;
+***/
+FB_UDR_BEGIN_FUNCTION(MFK_Blob_Save)
+
+FB_UDR_MESSAGE(InMessage,
+							 (FB_VARCHAR, afilename)
+							 (FB_BLOB, ablobcallback)
+);
+
+FB_UDR_MESSAGE(OutMessage,
+							 (FB_BIGINT, result)
+);
+
+FB_UDR_EXECUTE_FUNCTION
+{
+// 	// Test Input
+// 	if (!s || !b || !b->blob_handle) {
+// 		return NULL;
+// 	}
+// 	// open for write & as a binary...
+// 	FILE* file_ = fopen(s, "wb");
+// 	if (file_ == NULL) {
+// 		ISC_INT64* res = MALLOC(sizeof(ISC_INT64));
+// 		*res = -2;
+// 		return res;
+// 	}
+// 	// allocate buffer size to equal with max segment size
+// 	ISC_UCHAR* buffer = malloc(b->blob_max_segment);
+// 	if (!buffer) {
+// 		ISC_INT64* res = MALLOC(sizeof(ISC_INT64));
+// 		*res = -1;
+// 		return res;
+// 	}
+// 	/* see BLOBCALLBACK in ibase.h */
+// 	ISC_INT64* res = MALLOC(sizeof(ISC_INT64));
+// 	*res = 0;
+// 	ISC_USHORT len;
+// 	while (b->blob_get_segment(b->blob_handle, buffer, b->blob_max_segment, &len)) {
+// 		*res += fwrite(buffer, 1, len, file_); // write buffer into given file..	(size as per 1 Byte for an element)
+// 	}
+// 	free(buffer);
+// 	fclose(file_);
+// 	return res;
+
+}
+
+
+FB_UDR_END_FUNCTION
+
 
 /*** DDL
  create function BillDate (
@@ -115,18 +170,18 @@ FB_UDR_END_FUNCTION
 	 external name 'my_first_udr_kit!MFK_BillDate'
 	 engine udr;
 	 ***/
-FB_UDR_BEGIN_FUNCTION(MFK_BillDate)
-
-FB_UDR_MESSAGE(InMessage,
-	(FB_INTEGER, d)
-	(FB_INTEGER, date)
-);
-FB_UDR_MESSAGE(OutMessage,
-	(FB_DATE, result)
-	);
-
-
-FB_UDR_END_FUNCTION
+// FB_UDR_BEGIN_FUNCTION(MFK_BillDate)
+//
+// FB_UDR_MESSAGE(InMessage,
+// 	(FB_INTEGER, d)
+// 	(FB_INTEGER, date)
+// );
+// FB_UDR_MESSAGE(OutMessage,
+// 	(FB_DATE, result)
+// 	);
+//
+//
+// FB_UDR_END_FUNCTION