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reactjs - Assign function to object value with executable onClick

I am kind of new to the whole react class component structure and trying to figure out how to connect a custom function to an onClick prop of a custom button component.

The action property invokes a onClick within the button component but I want that onClick to trigger the customAction.

Any help or suggestions are very welcome :)


  customAction() {console.log("?") }

  CustomNodeInner({ node, otherProps }) {
    const Component = Cards[node.component];
    const properties = node.props;
    if (node.component === 'QuestionCard') {
      if (properties.buttons.length > 0) {
          properties.buttons[0].action = this.customAction()     
      }
    }
    return (
      <div {...otherProps}>
        <div>
          <Component {...properties} diagram />
        </div>
      </div>
    );
  }

Greetings,

question from:https://stackoverflow.com/questions/65829256/assign-function-to-object-value-with-executable-onclick

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