import posts from a date

Hi I do the query about the "crawlomatic-multipage-scraper-package" plugin: I would like to know how to import posts from a date, for example from January 2019. I have the idea to be in these options. but I don't understand. Date query type (optional): current date Date query string (Optiona: insert your query I'm reading the recommendations but I don't understand what data "insert your query". Thanks.