source/php/PostTypes/Events.php
public function addImportButtons($views)
    {
        if (current_user_can('administrator') || current_user_can('editor')) {
            $button  = '<div class="import-buttons actions" style="position: relative;">';

            if (get_field('event_api_url', 'option')) {
                $button .= '<div id="importevents" class="button-primary">' . __('Import events', 'event-integration') . '</div>';
            }
            $button .= '</div>';
            $views['import-buttons'] = $button;
        }

        return $views;
    }
public function addImportButtons($views)
    {
        if (current_user_can('administrator') || current_user_can('editor')) {
            $button  = '<div class="import-buttons actions" style="position: relative;">';

            if (get_field('event_api_url', 'option')) {
                $button .= '<div id="importevents" class="button-primary">' . __('Import events', 'event-integration') . '</div>';
            }
            $button .= '</div>';
            $views['import-buttons'] = $button;
        }

        return $views;
    }
Add buttons to start parsing xcap and Cbis
@return void