flowchart LR
       A --> B2@{ icon: "fa:bell", form: "square", label: "test augfuyfavf ydvaubfuac", pos: "t", h: 400, w: 50 }@ --> C
  

      flowchart
       A --> B2@{ icon: "fa:bell", form: "circle", label: "test awbd dauwdug wdgauyd yagyua aygua", pos: "t", w: 50, h: 50 }@ --> C
  

      flowchart
       A --> B2@{ icon: "fa:bell", label: "test augfuyfavf ydvaubfuac", pos: "t", w: 200, h: 100 }@ --> C