UUID()
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Definition
Generates a BSON UUID object.
UUID() has the following syntax:
UUID(<string>)- ParameterTypeDescription
hexstringOptional. Specify a 36 character string to convert to a UUID BSON object. If not provided, MongoDB generates a random UUID in RFC 4122 v4 format.Returns: A BSON UUID object.
Example
Convert Character String to UUID
Create a 36 character string you wish to convert to a UUID:
var myuuid = '3b241101-e2bb-4255-8caf-4136c566a962'
The following command outputs the myuuid variable as a BSON UUID object:
UUID(myuuid)
This command generates the following output:
UUID("3b241101-e2bb-4255-8caf-4136c566a962")
Generate Random UUID
You can run the UUID() method without
specifying an argument to generate a random UUID:
UUID()
This command outputs a random UUID in the following form:
UUID("dee11d4e-63c6-4d90-983c-5c9f1e79e96c")