> ## Documentation Index
> Fetch the complete documentation index at: https://docs.leapter.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Logic Usage

> See on the diagram which parts of a Blueprint production runs reach, and how often.

**Logic Usage** in [Insights](/insights/overview) paints production usage onto your logic. Use it to find logic that production never reaches, or to see which branches carry most of the traffic.

## Read the usage

Choose a Blueprint with **Select blueprint**. Leapter shows its diagram as it was in the selected release and marks every node with the share of runs that reached it. A node shown in red failed in at least one run.

<Frame caption="In the Classify Risk section, each node shows the share of runs that reached it.">
  <img src="https://mintcdn.com/leapter/21-Aw3xLEjdkVgTF/images/insights-logic-usage.png?fit=max&auto=format&n=21-Aw3xLEjdkVgTF&q=85&s=3dc1dadc152484d2caa6046bde8c34aa" alt="Logic Usage for the Loan Application Scorecard on release v1.0: 32 runs, the legend of execution shares from 0% to 95% and more, and the Classify Risk section. Its nodes carry the share of runs that reached them: 94% for the risk band decision, 31% for a strong score, 53% for a marginal score, and 9% for a weak score." width="1920" height="924" data-path="images/insights-logic-usage.png" />
</Frame>

## One release at a time

Logic Usage always shows one release at a time, because different releases can contain different logic. Pick the release with the [version filter](/insights/overview#time-window-and-version). When there are many runs in the time window, the percentages are calculated from the newest runs. Hover over the info icon next to the scale for details.

## What to do next

* **[Prod Runs](/insights/prod-runs)**: replay a single run to follow its path
* **[Test Suites](/test-and-validate/test-suites)**: cover the branches production uses most with tests


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