Hi. I’m sorta new to posting on forums and not sure the etiquette about how to post and link and stuff but came up with sorta a solution to this I shared here:
  
  
    Hi, 
So I couldn’t find any good solution to this and thought instead of creating a custom component maybe I could do it using a checkbox and a table, and then got to the point of using a checkbox, the cookie manager, and st.column. 
Basic idea is that you use a variable to contain the indexes of the rows being selected, and the index is passed by the checkbox component to a function that updates the list of indexes checked. Then you can use this lookup into the dataframe! 
The columns functiona…