GoJS with React. store data in the state

@HachimDev wrote:

Hi, I would like to store the model of my diagram to the state of my component and then maybe later to the store
Here is my code :

    myDiagram.addDiagramListener("ExternalObjectsDropped", function(){
      this.saveJson(myDiagram.model.toJson());
      console.log("network : ", myDiagram.model.toJson());
    });

this is called in the renderCanvas method which is called in ComponentDidMount
The console.log works fine but the function saveJson is undefined

Any idea why the "this" is concidered undefinied ?
thanks

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