Microsoft Fabric Blog explains how Variable Library support in notebooks streamlines configuration management, CI/CD flows, and secure automation for developers and data engineers.

Variable Library Support Now Available in Microsoft Fabric Notebooks

Microsoft Fabric has announced the general availability of Variable Library support in notebooks, transforming how developers and data engineers manage environment-specific configuration and automation.

Why Variable Library Matters

Variable Library enables:

Centralized configuration management: No need to hardcode values in notebooks.
Dynamic parameterization: Seamlessly manage Spark settings, lakehouse bindings, and compute environment details.
Simplified CI/CD pipelines: Use variables across different environments and deployment stages for reproducible workflows.

Key Highlights

NotebookUtils Integration: Access and manage variables in notebook code using the NotebookUtils Variable library utilities APIs. For further details, run notebookutils.variableLibrary.help() within your notebook.
Service Principal (SPN) Support: Authenticate and automate Variable Library access in CI/CD notebook activity pipelines using SPN—a major step for enterprise-grade security and automation.
Dynamic Runtime Settings: Leverage the %%configure magic command to dynamically assign and bind settings such as lakehouse connections per environment.

Example Usage

Define variables in Variable Library

Use Variable Library in notebook

Resources

By integrating Variable Library into their notebook workflows, data teams can achieve consistent, scalable, and secure configuration management with full support for CI/CD automation and dynamic Spark settings.

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