I want custom index.gsp template

hi,i want to know GenerateViews.groovy  
render template: template('scaffolding/edit.gsp'),
                    destination : file("grails-app/views/${model.propertyName}/edit.gsp"),
                    model: model,
                    overwrite: overwrite
where to render,on grails3.1.2 there is not found  AbstractGrailsTemplateGenerator class. sorry about my poor english ,i from china :-D
