$PSItem was added to PowerShell in an attempt to provide a clearer meaning to the variable name. However, in practice, the dollar sign underscore form $_ is most commonly used.

Jan 29, 2026 · Learn how to manage Microsoft Fabric variable libraries to customize and share item configurations in a workspace.

When you use a variable in a template that isn't marked as available in templates, the variable doesn't render. The variable doesn't render because its value isn't accessible within the …

The New-Variable cmdlet creates a new variable in PowerShell. You can assign a value to the variable while creating it or assign or change the value after it is created.

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.

Sep 6, 2023 · If you specify values for <variable> and <string>, the specified <variable> value is added to the environment and <string> is associated with that variable. If the variable already …

Jan 18, 2026 · This variable has a value only in a scope where parameters are declared, such as a script or function. You can use it to display or change the current values of parameters or to …

Jan 9, 2026 · Variables that are defined as expressions shouldn't depend on another variable with expression in value since it isn't guaranteed that both expressions will be evaluated properly. …

Jul 17, 2025 · Use the browser Find function (typically CTRL + F) to find a specific variable. The variable notes if it's specific to particular step. The article on task sequence steps includes the …

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 …