Specifies which connection point to use when attaching a connector endpoint.
'center'
ToPart=3
{ name }
{ name: 'Top' }
{ index }
Specifies which connection point to use when attaching a connector endpoint.
'center'→ shape centre (default behaviour,ToPart=3){ name }→ named connection point (e.g.{ name: 'Top' }){ index }→ connection point by zero-based row index