Having a form to change multiple events

Hi all,

I've got an app that displays events information, the index page lists events in a fairly basic table with date, name, and options to edit / delete. I'd like to display checkboxes for each row of the table, so that a user can check multiple rows of the table, and edit the attributes of multiple events with one click. I think the index page has to be a form, but i'm not sure how I should structure the view, and how I can create check boxes that correspond to attributes of the events being displayed, currently the view looks like this: