1 files changed, 6 insertions, 1 deletions
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 39e5fa9f2..c3aabfd86 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -392,10 +392,15 @@ export interface JSONRPCPayload {
 }
 
 /*
- * eventPollingIntervalMs: How often to poll the Ethereum node for new events
+ * orderExpirationCheckingIntervalMs: How often to check for expired orders. Default: 50
+ * eventPollingIntervalMs: How often to poll the Ethereum node for new events. Defaults: 200
+ * expirationMarginMs: Amount of time before order expiry that you'd like to be notified
+ * of an orders expiration. Defaults: 0
  */
 export interface OrderStateWatcherConfig {
+    orderExpirationCheckingIntervalMs?: number;
     eventPollingIntervalMs?: number;
+    expirationMarginMs?: number;
 }
 
 /*