Set the Level

Sentry.captureMessage("this is a debug message", "debug");

Sentry.getCurrentScope().setLevel("warning");

Sentry.withScope(function (scope) {
  scope.setLevel("info");

  // The exception has the event level set by the scope (info).
  Sentry.captureException(new Error("custom error"));
});

// Outside of withScope, the Event level will have their previous value restored.
// The exception has the event level set (error).
Sentry.captureException(new Error("custom error 2"));