diff --git a/light9/web/rdfdb-synced-graph.html b/light9/web/rdfdb-synced-graph.html
--- a/light9/web/rdfdb-synced-graph.html
+++ b/light9/web/rdfdb-synced-graph.html
@@ -29,7 +29,11 @@
                testGraph: {type: Boolean},
            }
        }
-       
+
+       onClear() {
+           console.log('reset')
+       }
+     
        connectedCallback() {
            super.connectedCallback();
            this.graph = new SyncedGraph(
@@ -41,7 +45,8 @@
                    'rdfs': 'http://www.w3.org/2000/01/rdf-schema#',
                    'xsd': 'http://www.w3.org/2001/XMLSchema#',
                },
-               function(s) { this.status = s; }.bind(this));
+             function(s) { this.status = s; }.bind(this),
+             this.onClear.bind(this));
            window.graph = this.graph;
        }
    }