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  1. about_Variables - PowerShell | Microsoft Learn

    Sep 29, 2025 · 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 …

  2. about_PSItem - PowerShell | Microsoft Learn

    Sep 29, 2025 · 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 …

  3. Predefined variables - Azure Pipelines | Microsoft Learn

    Mar 25, 2025 · 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. Define variables - Azure Pipelines | Microsoft Learn

    Oct 1, 2025 · User-defined variables can be set as read-only. There are naming restrictions for variables (example: you can't use secret at the start of a variable name). You can use a …

  5. 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.

  6. 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 …

  7. Work with variables - Microsoft Copilot Studio

    Oct 3, 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 …

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

    Oct 30, 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 …

  9. Use variables in Classic release pipelines - Azure Pipelines

    Aug 16, 2024 · Each variable is stored as a string and its value can change between pipeline runs. Unlike Runtime parameters, which are only available at template parsing time, variables …

  10. Task sequence variable reference - Configuration Manager

    Jul 17, 2025 · Use the browser Find function (typically CTRL + F) to find a specific variable. The variable notes if it's specific to particular step. The article on task sequence steps includes the …