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 …

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.

Dec 15, 2025 · Learn how to manage Microsoft Fabric variable libraries to customize and share item configurations in a workspace.

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 …

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.

Sep 29, 2025 · The PowerShell Variable provider lets you get, add, change, clear, and delete PowerShell variables in the current console. The PowerShell Variable provider supports the variables …

Jun 20, 2024 · To increase or decrease the value of a numeric variable, use the Increase variable and Decrease variable actions, respectively. Most actions output their result into a variable.

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 …

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 …

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 …