
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 …
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 …
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 …
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.
How to: Create a New Variable - Visual Basic | Microsoft Learn
Sep 15, 2021 · If the variable is a reference type, you can create an instance of its class by including the New Operator keyword in the As clause. If you do not use New, the initial value …
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 …
Variables (Transact-SQL) - SQL Server | Microsoft Learn
Nov 22, 2024 · Variable scope The scope of a variable is the range of Transact-SQL statements that can reference the variable. The scope of a variable lasts from the point it's declared until …
DECLARE @local_variable (Transact-SQL) - SQL Server
Aug 14, 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 …
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 …
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.