I try to specify a licence-key for the db-migrate-pro plugin at one location.
For me it seems logic to define it in all/vault.yml like the following example shows:
vault_wordpress_sites:
–domain.com:
----env:
------wpmdb_licence: XXXXXX
And then it should be used for all environments…
Unfortunately this does not work so i tried to defined the key at the root of all/vault.yml and reuse it in env/vault.yml under vault_wordpress_sites:… with “{{wpmdb_licence}}”
This did not work either so i defined it in the wordpress_sites.yml of all environments separately 
Do you have a solution for me, so i do not have to define the key redundant?