% Create a link between the current Simulink Object and a requirement
link1 = slreq.createLink(gcb, REQ)

link1 = 

  Link with properties:

           Type: 'Implement'
    Description: 'Plant Specs'
       Keywords: [0×0 char]
      Rationale: ''
      CreatedOn: 02-Sep-2017 15:49:28
      CreatedBy: 'Jane Doe'
     ModifiedOn: 21-Oct-2017 11:34:12
     ModifiedBy: 'John Doe'
       Comments: [0×0 struct]

% Create a link between a requirement and the current Stateflow object
link2 = slreq.createLink(REQ, sfgco);