How to create an array of objects for ticket prices in an event schema.

defineField({
        title: 'Ticket Prices',
        name: 'ticketprices',
        type: 'object',
        fields: [
          {name: 'studentprices', type: 'number', title: 'student Price'},
          {name: 'normalprices', type: 'nubmer', title: 'Normal Price'},
        ]
      }),

defineField({
 type:"array",
 name : "prices",
 of: [//your code]
})