How do I add different welcome emails to each membership level

On original membership, I had a number of different automatic welcome messages loaded in, which have been lost in the import process to M2, but I can't find where they go.

The only options I see is for:
Signup - Completed (free membership) Message:
Sent when a member completes the signup for a free membership.
and
Signup - Completed with payment Message:
Sent when a member completes the signup for a paid membership.

followed by the subscriptions ended/cancelled/error collection.

What about individual emails for say bronze/silver/gold members?

Thanks,

Jane