https://kr.mathworks.com/help/slcheck/ref/slslicerapi.slslicer.addstartingpoint.html
SLSlicerAPI.SLSlicer.addStartingPoint - Add block handles, block paths, bus elements, or Simulink...
This MATLAB function adds block(s), block path(s), or Simulink Identifier (SID) as the StartingPoint to the model slice in obj for dependency analysis.
add block