best way to create schema with gql

dataconnect/schema/event.gql

@@ -1,6 +1,3 @@
-scalar UUID
-scalar Timestamp
-scalar JSON
 
 enum EventStatus {
   DRAFT
@@ -28,47 +25,14 @@ type Event @table(name: "events") {
   vendorId: UUID 
   status: EventStatus! 
   date: Timestamp! 
-  shifts: JSON @col(dataType: "jsonb")
+  shifts: String @col(dataType: "jsonb")
   total: Float 
   requested: Int 
-  assignedStaff: JSON @col(dataType: "jsonb")
-  createdDate: Timestamp @default(expr: "now()")
-  updatedDate: Timestamp @updatedAt
+  assignedStaff: String @col(dataType: "jsonb")
+  createdDate: Timestamp @default(expr: "request.time")
+  updatedDate: Timestamp @default(expr: "request.time")
   createdBy: String 
   
 }
 
-input CreateEventInput {
-  eventName: String!
-  isRecurring: Boolean!
-  recurrenceType: RecurrenceType
-  businessId: UUID!
-  vendorId: UUID
-  status: EventStatus!
-  date: Timestamp!
-  shifts: JSON
-  total: Float
-  requested: Int
-  assignedStaff: JSON
-}
 
-query listEvents @auth(level: USER) {
-  events {
-    id
-    eventName
-    status
-    date
-    isRecurring
-    recurrenceType
-    businessId
-    vendorId
-    total
-    requested
-  }
-}
-
-mutation createEvent($input: CreateEventInput!) @auth(level: USER) {
-  event_insert(data: $input) {
-    id
-  }
-}