In YAML pipelines, you can reference predefined variables as environment variables. For example, the variable Build.ArtifactStagingDirectory becomes the variable …

Mar 4, 2026 · Variables are name-value pairs defined by you for use in a pipeline. You can use variables as inputs to tasks and in your scripts.

The New-Variable cmdlet creates a new variable in PowerShell. You can assign a value to the variable while creating it or assign or change the value after it is created. You can use the parameters of New …

When you create variables in your flows, Power Automate converts them to a specific type based on their content. Some of these data types are widely used throughout the application, such as …

Nov 18, 2025 · Transact-SQL reference for using DECLARE to define local variables for use in a batch or procedure.

Jan 14, 2026 · Set secret variables in the pipeline editor when you edit an individual pipeline. Encrypt and make a pipeline variable secret by selecting the lock icon. Set secret variables the same way for …

Jul 15, 2025 · You can now use this variable group in project pipelines. In Azure DevOps Services, you can create variable groups by using the Azure DevOps CLI. For example, the following command …

Mar 12, 2026 · Create customized conversations by using variables with custom and prebuilt entities in Microsoft Copilot Studio.

Retrieves the value of an environment variable from the current process or from the Windows operating system registry key for the current user or local machine.

Use data in your applications by creating literal values and variable values of different data types.