Adding 'Seeded' calls to random level generator using 'from Stream' node. Need a little help!

Hi folks,

So I have a random level generator using the attached blueprint. I would very much like to add seeds to the world generation and was wondering where I should be plugging in ‘from Stream’ node so I can attach a RandStream variable.

I tried following the following tutorial.
Many thanks!

Sorted. Asked a buddy.

For prosperities sake.