
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 …
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.
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 …
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.
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 …
Define variables - Azure Pipelines | Microsoft Learn
Oct 1, 2025 · The variable specifiers are name for a regular variable, group for a variable group, and template to include a variable template. The following example demonstrates all three.
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 …
DECLARE @local_variable (Transact-SQL) - SQL Server
5 days ago · 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.
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 …