Точно, есть же статья: modx.pro/components/7559-component-modimporter-import-setting-on-the-website/
И несколько кейсов:
modx.pro/howto/7607-modimporter-import-setting-in-minishop2/
modx.pro/howto/7647-modimporter-import-setting-in-minishop2-from-xlsx/
modx.pro/howto/7695-modimporter-import-setting-in-minishop2-from-1c/