Dec 17, 2024 · To use an expression to set the variable value, first confirm that the variable data type is compatible with the evaluation result of the expression and then provide an expression in the …

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 pass …

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 …

Oct 31, 2022 · The measure definition can be made more efficient by using a variable, VAR. The following measure definition represents an improvement. It uses an expression to assign the "same …

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.

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.

Nov 18, 2025 · This variable can be used in the function, stored procedure, or batch in which it's declared. Within its scope, a table variable can be used like a regular table.

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 exists in the …

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

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.