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 …

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 …

Mar 30, 2022 · Use the Dim statement at the module or procedure level to declare the data type of a variable. For example, the following statement declares a variable as an Integer.

Feb 5, 2025 · Because C# is statically typed at compile time, after a variable is declared, it can't be declared again or assigned a value of another type unless that type is implicitly convertible to the …

Aug 3, 2021 · You have the option of declaring variables when the structure type is defined by placing one or more comma-separated variable names between the closing brace and the semicolon.

Jan 2, 2025 · To save the settings for use in future sessions, add the variable assignment to your PowerShell profile. $PSDefaultParameterValues was introduced in PowerShell 3.0.

Dec 15, 2025 · Follow the steps for creating a variable library and using variable values in various stages of a deployment pipeline.

Nov 19, 2025 · Null-conditional assignment The null-conditional member access operators, ?. and ?[], can now be used on the left hand side of an assignment or compound assignment. Before C# 14, …

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 …

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 …