Backend\Modules\ContentBlocks\Actions\Edit::parseRevisionsDataGrid PHP Method

    private function parseRevisionsDataGrid()
    {
        // create datagrid
        $revisions = new ContentBlockRevisionDataGrid($this->contentBlock, Locale::workingLocale());
        // hide columns
        $revisions->setColumnsHidden(['id', 'revision_id']);
        // disable paging
        $revisions->setPaging(false);
        // set headers
        $revisions->setHeaderLabels(['user_id' => SpoonFilter::ucfirst(Language::lbl('By')), 'edited_on' => SpoonFilter::ucfirst(Language::lbl('LastEditedOn'))]);
        // set column-functions
        $revisions->setColumnFunction([DataGridFunctions::class, 'getUser'], ['[user_id]'], 'user_id');
        $revisions->setColumnFunction([DataGridFunctions::class, 'getTimeAgo'], ['[edited_on]'], 'edited_on');
        // check if this action is allowed
        if (Authentication::isAllowedAction('Edit')) {
            $editRevisionUrl = BackendModel::createURLForAction('Edit', null, null, ['id' => '[id]', 'revision' => '[revision_id]'], false);
            // set column URLs
            $revisions->setColumnURL('title', $editRevisionUrl);
            // add use column
            $revisions->addColumn('use_revision', null, Language::lbl('UseThisVersion'), $editRevisionUrl, Language::lbl('UseThisVersion'));
        }
        $this->tpl->assign('revisions', (string) $revisions->getContent());
    }