Using Trello with Keeping
How Can I Use the Keeping Button with Trello?
To connect with an external project management program, you need at least a Keeping Plus subscription. Additionally, a separate Trello account is required. A Trello subscription, if needed, is not included.
Check out the Trello page.
For the integration with Trello, an active Chrome extension or Firefox Add-on is needed.
Article Overview:
This article explains various parts of using Keeping with Trello. For each specific part, you can use the navigation below.
The Keeping button can be found in one place in Trello.
Under the additional options for a card on your Trello boards, you will see the Keeping button:

Hover over the Keeping button in Trello to see more options.
How Do I Start a New Time Entry via Trello?
You can start a new time entry from Trello by using the green Keeping button under the other options in a card's details screen.

Click on the green + button to start a time entry.
Trello Card is Directly Linked When Starting a New Time Entry
In the new window that appears, you can fill in the details of your time entry and click start. The Trello card you clicked on is automatically linked to the new time entry.

How Do I Link an Active Time Entry to a Trello Card?
If you have an active time entry in Keeping, you can link the current active time entry to a Trello card through the extension.

This is an active time entry without a link.
Realizing the Link
Navigate in Trello to a card and use the blue link button.

The blue button indicates that an active time entry can be linked to this card.
Your Time Entry is Now Linked
The link with the Trello card is now complete!

The timer indicates that the Trello card has been successfully linked.