embodiments of the invention generally relate to tools and methods for hanging and / or expanding liner strings . in one embodiment , a method of hanging a liner assembly from a previously installed tubular in a wellbore includes running the liner assembly and a setting tool into the wellbore using a run - in string . the setting tool includes an isolation valve and the liner assembly includes a liner hanger and a liner string . the method further includes sending an instruction signal from the surface to the isolation valve , wherein the isolation valve closes in response to the instruction signal and isolates a setting pressure in the setting tool from the liner string ; and increasing fluid pressure in the setting tool , thereby setting the liner hanger .