diff --git a/src/box.ts b/src/box.ts
index e289062..eca2c6b 100644
--- a/src/box.ts
+++ b/src/box.ts
@@ -1,12 +1,15 @@
 import { BoxState, SetBox } from "./box-protocol.js";
-import { Handle, Ref, Turn } from "./actor.js";
+import { Assertion, Handle, Ref, Turn } from "./actor.js";
 import { Observe } from "./dataspace.js";
 
 let startTime = Date.now();
 let prevValue = 0;
 
-export default function (t: Turn, [ds, LIMIT, REPORT_EVERY]: [Ref, number, number]) {
-    console.log('Spawning Box');
+export default function (t: Turn, arg: Assertion) {
+    const [ds, LIMIT, REPORT_EVERY]: [Ref, number, number] = Array.isArray(arg) && arg.length === 3
+        ? arg as any
+        : [arg, 50000, 2500];
+    console.log('Spawning Box', LIMIT, REPORT_EVERY);
     let valueHandle: Handle | undefined;
     function setValue(t: Turn, value: number) {
         valueHandle = t.replace(ds, valueHandle, BoxState(value));