You can create checklist and checklist items in Trello without leaving Slack;
Fill out the necessary fields, and Actioner will create your checklist and send the the new checklists as a thread reply to the card notification in #actioner-trello-notifications channel.
To start creating checklist and checklist items in Slack;
Actioner turns the complex into simple, allowing you to connect apps and automate workflows on a grand scale, faster and easier than ever.