Predefined variables

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

2025 Sep 04

Variables (Transact-SQL)

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

2025 Feb 13

DECLARE @local_variable (Transact-SQL)

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.

2026 Jan 11

Manage variable groups

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

2026 Jan 18

Learn How to Use Variable Libraries

Follow the steps for creating a variable library and using variable values in various stages of a deployment pipeline.

2024 Jul 15

Define variables

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

2026 Jan 24

New-Variable (Microsoft.PowerShell.Utility)

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.

2025 Apr 03

about_Variables

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

2024 May 15

Get Started with Variable Libraries

Learn how to manage Microsoft Fabric variable libraries to customize and share item configurations in a workspace.

2024 Jan 15

about_PSItem

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

2025 Oct 24

View/Download Variable Voltage solar container outdoor power [PDF]

PDF version includes complete article with source references. Suitable for printing and offline reading.