How to generate unique ID field in module in sugarcrm

Want to generate the unique ID field in the module which will automatically generate the unique IDs. Can anyone help help for this ? Thanks

How are unique ids generated?

Version-1 UUIDs are generated from a time and a node ID (usually the MAC address); version-2 UUIDs are generated from an identifier (usually a group or user ID), time, and a node ID; versions 3 and 5 produce deterministic UUIDs generated by hashing a namespace identifier and name; and version-4 UUIDs are generated ...

What is unique ID in JavaScript?

Introduction to JavaScript UUID. A universally unique identifier (UUID) is an identifier of the 128-bit value that is used in the construction of software. Each bit present in the value differs by the meaning as several variants are considered.

There is a function inside of SugarCRM called create_guid() which does this exact thing.