Link to example project: https://creator.celestory.io/project/0-wJ8iNmg
(to be imported into your project under Main Menu/Project Settings/Import-Export)
The Checkpoint Loader block allows you to redirect the Storyline automatically to the last Checkpoint block the user has been through.
The values of the variables will then revert back to the values at the time the Checkpoint block was traversed.
Thus, this block is particularly useful in the "dead branches" of your graph, when for example the user has made a mistake.
The "no checkpoint found" output redirects the History thread to another block than the last checkpoint if the last checkpoint is not found.
More information about the Checkpoint block in the article 🟦 Checkpoint.