is this the shrub Sambucus niger the black lace elder?

you take soft wood cuttings in mid to late summer.
link to the RHS site gives you the info

https://www.rhs.org.uk/Plants/197771/Sambucus-nigra-f-porphyrophylla-Eva-(PBR)/Details

Very handy SG, I was wondering about taking some myself. I'll give the soft wood ones a go

meant to say welcome to GoY too :o)