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 …

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

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.

Sep 15, 2021 · How to: Create a New Variable (Visual Basic) You create a variable with a Dim Statement.

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 …

To delete a variable, along with its value, use Remove-Variable or Remove-Item. This cmdlet does not delete the values of variables that are set as constants or owned by the system, even if you use the …

Dec 17, 2024 · To use an expression to set the variable value, first confirm that the variable data type is compatible with the evaluation result of the expression and then provide an expression in the …

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 …

The Set-Variable cmdlet assigns a value to a specified variable or changes the current value. If the variable does not exist, the cmdlet creates it.

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.