
                    font: 'bold italic 14pt sans-serif',
                    editable: true
                  })
                    .bindTwoWay(
                      'text',
                      'value',
                      (v) => v.toString(),
                      (s) => parseFloat(s)
                    )
                    .bind('stroke', 'color'),
                  new go.Shape({
                    fill: 'red',
                    strokeWidth: 0,
                    geometryString: 'F1 M-6 0 L0