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 …

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.

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 group to make …

Aug 27, 2025 · To declare a variable and its type, just include it in any of these functions anywhere in your app. These functions don't create variables; they only fill variables with values. You never declare …

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.

Dec 15, 2025 · 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 template's scope.

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.

Nov 18, 2025 · The scope of a variable is the range of Transact-SQL statements that can reference the variable. The scope of a variable lasts from the point it's declared until the end of the batch or stored …

Aug 27, 2025 · Any environment variable you add or change in your PowerShell profile is available in any session that loads your profile. This method works for any version of PowerShell on any supported …