
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 variables is …
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.
Get Started with Variable Libraries - Microsoft Fabric
Dec 15, 2025 · Learn how to manage Microsoft Fabric variable libraries to customize and share item configurations in a workspace.
Manage variable groups - Azure Pipelines | Microsoft Learn
Jul 15, 2025 · To reference a variable in a variable group, you can use macro syntax or a runtime expression. In the following examples, the group my-variable-group has a variable named myhello.
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 variable …
Variables overview - Microsoft Copilot Studio | Microsoft Learn
Nov 25, 2025 · In Copilot Studio, you can use the Variables panel to see information about an environment variable. The Variable properties panel also has a link to Power Apps, the authoring …
Get-Variable (Microsoft.PowerShell.Utility) - PowerShell
The Get-Variable cmdlet gets the PowerShell variables in the current console. You can retrieve just the values of the variables by specifying the ValueOnly parameter, and you can filter the variables …
Use variables in Classic release pipelines - Azure Pipelines
Oct 27, 2025 · 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 …
How to use task sequence variables - Configuration Manager
Oct 4, 2022 · When you specify a name for a new task sequence variable, follow these guidelines: The task sequence variable name can include letters, numbers, the underscore character (_), and a …
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 …