function handleClickHelp(cbinfo)
    peInstance = cbinfo.Context.Object.AppObject;
    if peInstance.Context == systemcomposer.profile.internal.ProfileEditorContext.Requirements
        % called from requirements. Show requirements' help
        helpview(fullfile(docroot, 'slrequirements', 'helptargets.map'),'define_profiles');
    else
        helpview(fullfile(docroot, 'systemcomposer', 'helptargets.map'),'define_profiles');
    end
end