code: func ImplicitFlow(authorizationURL string) {
  	if parent, ok := dslengine.CurrentDefinition().(*design.SecuritySchemeDefinition); ok {
  		if parent.Kind == design.OAuth2SecurityKind {
  			parent.Flow = "implicit"
  			parent.AuthorizationURL = authorizationURL
  			return
  		}
  	}
  	dslengine.IncompatibleDSL()
  }
docs: // ImplicitFlow can be used in: OAuth2Security
  //
  // ImplicitFlow defines an "implicit" OAuth2 flow.  Use within an OAuth2Security definition.