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  1. 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 …

  2. 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 …

  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. Dim statement (VBA) | Microsoft Learn

    Mar 30, 2022 · Use the Dim statement at the module or procedure level to declare the data type of a variable. For example, the following statement declares a variable as an Integer.

  5. 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.

  6. 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 …

  7. Use Fabric variable libraries in Dataflow Gen2 (Preview)

    Oct 20, 2025 · Overview on how to use Fabric variable libraries inside of a Dataflow Gen2 with CI/CD.

  8. 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 …

  9. 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 …

  10. Customize or format date and time values in a flow

    This variable's dynamic content comes from the date field in the trigger. Provide the format string (surrounded by single quotes) based on the desired output format for the date.