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  1. about_Variables - PowerShell | Microsoft Learn

    Working with variables To create a new variable, use an assignment statement to assign a value to the variable. You don't have to declare the variable before using it. The default value of all …

  2. Get Started with Variable Libraries - Microsoft Fabric

    Aug 25, 2025 · Learn how to manage Microsoft Fabric variable libraries to customize and share item configurations in a workspace.

  3. Predefined variables - Azure Pipelines | Microsoft Learn

    When you use a variable in a template that isn't marked as available in templates. The variable doesn't render because its value isn't accessible within the template's scope.

  4. Understand variables in canvas apps - Power Apps | Microsoft Learn

    Aug 27, 2025 · To declare a variable and its type, just include it in any of these functions anywhere in your app. These functions don't create variables; they only fill variables with …

  5. Use variables to improve your DAX formulas - DAX | Microsoft Learn

    Oct 31, 2022 · The measure definition can be made more efficient by using a variable, VAR. The following measure definition represents an improvement. It uses an expression to assign the …

  6. about_PSItem - PowerShell | Microsoft Learn

    PowerShell includes the $PSItem variable and its alias, $_, as automatic variables in scriptblocks that process the current object, such as in the pipeline. This article uses $PSItem in the …

  7. Use variables in Classic release pipelines - Azure Pipelines

    Aug 16, 2024 · Use custom variables To use custom variables in your tasks, enclose the variable name in parentheses and precede it with a $ character. For example, if you have a variable …

  8. Set function - Power Platform | Microsoft Learn

    Mar 22, 2024 · Use the Set function to set the value of a global variable, which temporarily holds a piece of information, such as the number of times the user has selected a button or the result …

  9. Learn How to Use Variable Libraries - Microsoft Fabric

    Aug 25, 2025 · Follow the steps for creating a variable library and using variable values in various stages of a deployment pipeline.

  10. Work with variables - Microsoft Copilot Studio

    Oct 4, 2025 · In the Variable properties panel, you can rename a variable, see where your agent uses it, or convert it to a global variable. You can't convert a global variable back to a topic …