> ## Documentation Index
> Fetch the complete documentation index at: https://wb-21fd5541-docs-1917.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Does your tool track or store training data?

Pass a SHA or unique identifier to `wandb.Run.config.update(...)` to associate a dataset with a training run. W\&B stores no data unless `wandb.Run.save()` is called with the local file name.

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<Badge stroke shape="pill" color="orange" size="md">[Experiments](/support/models/tags/experiments)</Badge>