How to use NativeMultiHashMap?

I have created a MultiHashMap, added a key and single value to it. Now, I need to add additional values for the given key.

The docs for Add() state:

How then, do I add additional items for a key that already exists?

 

Are you sure you didn't search doc for NativeHashMap, instead NativeMultiHashMap?

 

Okay nevermind. I was looking at an old version, which is what comes up when searching google.

https://docs.unity3d.com/Packages/c...i/Unity.Collections.NativeMultiHashMap-2.html