Fix issue in Hl7 Sample
@@ -30,7 +30,7 @@ Testing the Sample:
define stream er7Stream (payload string);
-@sink(type = 'hl7', uri='localhost:4000', tls.enabled='false', hl7.encoding='er7', @map(type='text', @payload('{{payload}}')))
+@sink(type = 'hl7', uri='localhost:4000', tls.enabled='false', hl7.encoding='er7', @map(type='text', @payload('{{{payload}}}')))
define stream hl7Stream (payload String);
@info(name='query1')
