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Returns the string representation of the ObjectId().

You can use ObjectId.toString() for deployments hosted in the following environments:

  • MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud

The following example:

  • Generates a new ObjectId() and stores it in the variable myObjectId.

  • Creates a string representation of myObjectId using the toString() method.

  • Stores the string representation in the variable myObjectIdString.

Run the following commands in mongosh:

myObjectId = ObjectId("507c7f79bcf86cd7994f6c0e")
myObjectIdString = myObjectId.toString()

The operation returns the following string:


To confirm the type of myObjectIdString, use the typeof JavaScript operator:

typeof myObjectIdString

The operation returns the following:

←  ObjectId.getTimestamp()ObjectId.valueOf() →
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