Followed by this execute code card : // Suppose workflow is an object defined somewhere in your application // Check if the variable workflow.answer is set if (workflow && workflow.answer !== undefined) { // The variable is set, store "works" in workflow.test workflow.test = "works"; console.log("workflow.answer is set, stored 'works' in workflow.test"); } else { // The variable is not set, do something else or log a message console.log("workflow.answer is not set"); }