$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.

A variable of this data type can be produced only through the Extract tables from PDF action. Each item on the list describes an extracted table and provides all the essential information about it.

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 template's scope.

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.

Feb 18, 2026 · You don't need to hover or step through lines to see parameter and loop variable values. For complex variables or objects, you can still use DataTips, Visualizers, and other tools to explore …

Character data types that are either fixed-size, char, or variable-size, varchar. Starting with SQL Server 2019 (15.x), when a UTF-8 enabled collation is used, these data types store the full range of Unicode …

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. For …

Oct 10, 2025 · An identifier is the name you assign to a type (class, interface, struct, delegate, or enum), member, variable, or namespace. This article covers the essential rules for valid C# identifiers and …

Jan 14, 2026 · The recommended ways to set secret variables are in the UI, in a variable group, and in a variable group from Azure Key Vault. You can also set secret variables in a script with a logging …

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 …