Catch

Catch[expr] returns the argument of the first Throw generated in the evaluation of expr.

Catch[expr, form] returns value from the first Throw[value, tag] for which form matches tag.

Examples

Catch a thrown value:

Catch[Throw["found it"]]
(* "found it" *)

With tags:

Catch[Throw[42, "myTag"], "myTag"]
(* 42 *)

Please visit the official Wolfram Language Reference for more details.