The GUID function generates a random GUID string.
Example:
%%[
set @guid = GUID()
]%%
%%=v(@GUID)=%%
Output:
28203472-7d9f-4eb3-9d89-210f0327e5bc
Explanation:
The GUID function generates a string value which is a globally unique identifier. Given the number of characters and possibility of different values in the GUID, this value will always be unique. The GUID function can be used as a primary key in your data extension as it will be unique.
