This is Liang from tacker team, in our patch:

Implement SOL001 features to MgmtDriver (Ib4ad3eb9) · Gerrit Code Review (opendev.org),

we tried to implement in order to allow user use their script by defining 'interface' in vnfd file:

in the function above, changes in Support "Implementation" definition as Artifact Name (I192d3649) · Gerrit Code Review (opendev.org) , 

is needed for our implementation, may I ask you to help us push review for an early merge of this patch, appreciate for that!

Best regards

Liang Lu