diff --git a/src/types.ts b/src/types.ts
index c466ab4..4ea6f6b 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -103,10 +103,14 @@ export type RegisterFeedbackBodyProps = {
   event: string
   accountId?: string
   installationId?: string
+  sessionToken?: string
   loginId?: string
   paymentId?: string
   signupId?: string
+  /** @deprecated use occurredAt instead */
   timestamp?: number
+  occurredAt?: Date
+  expiresAt?: Date
   [x: string]: any
 }
 
@@ -130,7 +134,9 @@ export type RegisterTransactionProps = (
 type TransactionLocation = {
   latitude: number
   longitude: number
+  /** @deprecated use collectedAt instead */
   timestamp?: number
+  collectedAt?: Date
 }
 
 type AddressCoordinates = {
diff --git a/test/formatting.test.ts b/test/formatting.test.ts
index 06eacce..387e6b6 100644
--- a/test/formatting.test.ts
+++ b/test/formatting.test.ts
@@ -10,12 +10,14 @@ describe('convertObjectToSnakeCase', () => {
       convertObjectToSnakeCase({
         keyName: { nestedKey: 2 },
         a: [{ nestedInArray: 'black_rice' }],
-        keyNameWithNumber60d: 3
+        keyNameWithNumber60d: 3,
+        keyValueIsDate: new Date('2024-07-17T01:02:03Z')
       })
     ).toEqual({
       key_name: { nested_key: 2 },
       a: [{ nested_in_array: 'black_rice' }],
-      key_name_with_number_60d: 3
+      key_name_with_number_60d: 3,
+      key_value_is_date: '2024-07-17T01:02:03.000Z'
     })
   })
 })