> For the complete documentation index, see [llms.txt](https://docs.tonic.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tonic.ai/textual/entity-types/entity-type-custom-model/using-the-progression-tracker.md).
# Using the progression tracker
On the **Entity Types** page, the **Progression Tracker** column indicates the completion status of each step in the process.
Progression Tracker column to show the status for each model-based type creation step
For each step, the block color indicates the status:
* Grey - The step is not started.
* Yellow - The step is in progress.
* Red - There was an error in the step.
* Green - The step is completed.
Note that a step that was completed earlier can change status when a user returns to it. For example, you might publish a trained model, then go back to further refine the guidelines. In that case the model publishing step is still green, but the guidelines refinement is yellow.
To display the page for a given step, click the step block. You can only navigate to steps that are available based on the overall progress of the entity type creation. For example, if you have not yet assembled a set of test data, then you can only go to the test data step. You cannot refine guidelines or train models. If you don't have training data, then you cannot train or publish models.
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