Ah, ok yes that makes sense, got it working (at last) with: 
engines:
 session:
  DBIC:
   dsn: "dbi:Pg:database=dbname"
   schema_class: "xxxx::Schema"
   user: ""
   password: ""
   #resultset:
   id_column: "id"
   data_column: "data"
   
 template:
   template_toolkit:
     start_tag: '<%'
     end_tag:   '%>'

session: "DBIC"
template: "template_toolkit"

[download]
Thank you.

In reply to Re^2: Dancer 2 yaml config file (is a hash of hashes ... key collision/clobbering is a common pitfall) by soundX
in thread Dancer 2 yaml config file by soundX

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