> For the complete documentation index, see [llms.txt](https://docs.fastn.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fastn.ai/flow-setup-essentials/designing-a-flow/variables.md).
# Variables
The **Variables** component lets you define and reuse named values — such as counters, strings, objects, or flags — across multiple steps in your flow. Use it to store intermediate data, configuration settings, or default values that several steps need to reference. Unlike flow step outputs that belong to a single step, variables persist across the entire flow execution and you can update them at any point.
#### **Use Case: Store and Reuse Values Across the Flow**
\
Use the **Variables** component to define and manage reusable values, such as counters, file paths, booleans, or JSON objects, that persist across different steps in your flow. Ideal for maintaining configuration data, controlling logic, or tracking state dynamically during execution.
```
Str filePath = "https://storage.fastn.ai/file.csv"
Int retryCount = 2
Boolean isSynced = False
```
#### **How does it help?**
* Maintain consistent values across multiple flow actions
* Simplify logic handling with flags and counters
* Dynamically store and update configuration or temporary data
---
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