# applicationWithProcessIdentifier: Returns the shared instance representing a target application specified by its process identifier. ``` + (SBApplication *) applicationWithProcessIdentifier:(pid_t) pid; ``` ## Parameters `pid` The BSD process ID of a OSA-compliant application. Often you can get the process ID of a process using the method of `NSTask`. ## Return Value An instance of an `SBApplication` subclass that represents the target application whose process identifier is `pid`. Returns `nil` if no such application can be found or if the application does not have a scripting interface. ## Discussion You should avoid using this method unless you know nothing about a target application but its process ID. In most cases, it is better to use [`applicationWithBundleIdentifier:`](/documentation/ScriptingBridge/SBApplication/applicationWithBundleIdentifier:), which will dynamically locate the application’s path at runtime, or [`applicationWithURL:`](/documentation/ScriptingBridge/SBApplication/applicationWithURL:), which is not dependent on the target application being open at the time the method is called. ## See Also [`init?(processIdentifier: pid_t)`](/documentation/ScriptingBridge/SBApplication/init(processIdentifier:)) Returns an instance of an `SBApplication` subclass that represents the target application identified by the given process identifier. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)