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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. 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 …

  3. DECLARE @local_variable (Transact-SQL) - SQL Server

    Nov 18, 2025 · The value can be a constant or an expression, but it must either match the variable declaration type or be implicitly convertible to that type. For more information, see …

  4. Get Started with Variable Libraries - Microsoft Fabric

    5 days ago · Learn how to manage Microsoft Fabric variable libraries to customize and share item configurations in a workspace.

  5. struct (C++) | Microsoft Learn

    Aug 3, 2021 · You have the option of declaring variables when the structure type is defined by placing one or more comma-separated variable names between the closing brace and the …

  6. Define variables - Azure Pipelines | Microsoft Learn

    Oct 27, 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. 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.

  8. What are values of user environment variable by default set on …

    Dec 13, 2023 · The default for that PATH variable is to the folder where all your user data for Microsoft Store Apps and Games and pre-installed UWP apps are stored in the WIndowsApps …

  9. Write agent instructions - Microsoft Copilot Studio

    4 days ago · At any point within the instructions, type / to add a reference to a specific resource, such as a tool, topic, other agent, variable, or Power Fx expression. Test the changes by using …

  10. Add other agents overview - Microsoft Copilot Studio

    Dec 4, 2025 · If inputs are available, you can add them via the node and set a value for each one. Each output for the agent automatically has a topic variable created where the values from the …