Interface CollectionDefaultIdOptions

The type of the default ID that the API should generate if no ID is provided in the inserted document.

If not specified, the default ID will be a string UUID.

Type	Description	Example
uuid	A UUID v4.	new UUID('f47ac10b-58cc-4372-a567-0e02b2c3d479')
uuidv6	A UUID v6.	new UUID('6f752f1a-6b6d-4f3e-8e1e-2e167e3b5f3d')
uuidv7	A UUID v7.	new UUID('018e75ff-a07b-7b08-bb91-aa566c5abaa6')
objectId	An ObjectID.	new ObjectId('507f1f77bcf86cd799439011')
default	A string UUID.	'f47ac10b-58cc-4372-a567-0e02b2c3d479'

Example

const collections = await db.createCollection('my-collections');

// { name: 'Jessica', _id: 'f47ac10b-58cc-4372-a567-0e02b2c3d479' }
await collections.insertOne({ name: 'Jessica' });
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Example

const collections = await db.createCollection('my-collections', {
  defaultId: { type: 'uuidv6' },
});

// { name: 'Allman', _id: UUID('6f752f1a-6b6d-6f3e-8e1e-2e167e3b5f3d') }
await collections.insertOne({ name: 'Allman' });
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Example

const collections = await db.createCollection('my-collections', {
  defaultId: { type: 'objectId' },
});

// { name: 'Brothers', _id: ObjectId('507f1f77bcf86cd799439011') }
await collections.insertOne({ name: 'Brothers' });
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Remarks

Make sure you're keeping this all in mind if you're specifically typing your _id field.