Then Publish and Sign your adapter whit your ETH Wallet (2) to publish it on IPFS (3) and you are all set!
The Adapter developer requests the addition of it's own adapter to the Delegates (5), a special group of people voted by the community, which will test, verify, approve (6) and add the Adapter hash to the Collection Registry Smart contract (7).
Once done, the Adapter will be listed to the Collections and the Dataset available to be used.
What's happen behind the scene?.
The list of Adapters will be fetch from the Collection Registry Smart Contract (9) and the correspondant Adapter code downloaded (10). Then the actual query will be made from the indexers and data will be available to use into your project (11) — (It's easier than it sounds!)