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.

Sep 15, 2021 · Make sure you aren't referring to an object variable that has been set to Nothing. Search your code for the keyword Nothing, and revise your code so that the object isn't set to Nothing until …

Jun 20, 2024 · There are many ways to use variables in strings. I'm calling this variable substitution but I'm referring to any time you want to format a string to include values from variables. This is …

Sep 13, 2021 · This error has the following causes and solutions: You attempted to use an object variable that isn't yet referencing a valid object. Specify or respecify a reference for the object …

5 days ago · 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 …

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 …

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 …

Nov 25, 2025 · In Copilot Studio, you can use the Variables panel to see information about an environment variable. The Variable properties panel also has a link to Power Apps, the authoring …

3 days ago · You can create a variable and declare its data type and initial value all within one action in your flow in the designer. You can only declare variables at the global level, not within scopes, …

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 …