[Home](./index.md) > [@mike-north/devcert-patched](./devcert-patched.md) > [UserInterface](./devcert-patched.userinterface.md) > [closeFirefoxBeforeContinuing](./devcert-patched.userinterface.closefirefoxbeforecontinuing.md) ## UserInterface.closeFirefoxBeforeContinuing() method Close firefox Signature: ```typescript closeFirefoxBeforeContinuing(): void | Promise; ``` Returns: `void | Promise`