Is there a shorcode value do show oldest feed items first?

Do not see an option in the template settings to change display order to show oldest posts first newest posts last.

Is there a shortcode parameter we can use to change the order of display feed items oldest first and newest last? (default is newest first)

Is there a documentation of every available shortcode parameter that can be used with the free version of this plugin besides the core parameters listed here.. https://kb.wprssaggregator.com/article/746-shortcode-wp-rss-aggregator