ansys.scade.apitools.create.data_def.add_diagram_edge
=====================================================

.. py:function:: ansys.scade.apitools.create.data_def.add_diagram_edge(diagram: scade.model.suite.NetDiagram, src: scade.model.suite.Equation, left: scade.model.suite.LocalVariable, dst: scade.model.suite.Equation, expr: Union[int, scade.model.suite.Expression], points: Optional[List[Tuple[int, int]]] = None) -> scade.model.suite.Edge

   Add a graphical edge between two equations in a graphical diagram.

   * The source of the edge is identified by the local variable defined
     in the source equation.

   * The destination of the edge is identified by the parameter of the
     expression of the target equation. It is an ``ExprId`` instance
     referring to the left variable.

     To ease the creation of graphical diagrams, the destination of the edge
     can be specified with an integer, representing the input pin index of
     the target equation.

   Parameters
   ----------
   diagram : suite.NetDiagram
       Diagram containing the source and destination equations. The diagram specified
       can be either graphical or textual, or it can be ``None``. However, it cannot be
       ``None`` if the scope contains at least one diagram.
   src : suite.Equation
       Source equation of the edge.
   left : suite.LocalVariable
       Local variable associated with the edge.
   dst : suite.Equation
       Target equation of the edge.
   expr: Union[suite.Expression]
       Parameter to connect to the edge or the input pin index of the target equation.
   points : List[Tuple(int, int)] | None, default: None
       Coordinates of the segments composing the edge, expressed in 1/100th of mm.
       When ``None``, the value is set to ``[(0, 0), (0, 0)]`` so that the SCADE Editor
       computes default positions when the model is loaded.

   Returns
   -------
   suite.Edge