OptionaldirectionGlue direction vector. Defaults to { x: 0, y: 0 } (no preferred direction).
OptionalnameOptional display name (e.g. 'Top', 'Right'). Referenced when connecting by name.
OptionalpromptOptional tooltip shown in the Visio UI.
OptionaltypeConnection point type. Defaults to 'inward'.
Horizontal position as a fraction of shape width. 0 = left edge, 1 = right edge.
Vertical position as a fraction of shape height. 0 = bottom edge, 1 = top edge.
Definition of a single connection point on a shape. Positions are expressed as fractions of the shape's width/height (0.0 = left/bottom, 1.0 = right/top in Visio's coordinate system).