
about_Variables - PowerShell | Microsoft Learn
To use a variable in a command or expression, type the variable name, preceded by the dollar ($) sign. If the variable name and dollar sign aren't enclosed in quotation marks, or if they're enclosed in …
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.
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 examples, but …
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.
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.
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 values. You never …
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 Expressions.
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 named …
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 "same …
How to: Create a New Variable - Visual Basic | Microsoft Learn
Sep 15, 2021 · Follow the As clause with an equal sign (=) and follow the equal sign with the variable's initial value. Visual Basic assigns the specified value to the variable every time it runs the Dim …