I'm very interested to use XCMP using with the direct method, but documentation and examples are very hard to find at the current state of polkadot/substrate.

Can someone explain me how I could send direct XCMP messages using the cumulus/relay-chain tutorial ?

1 Answer 1


If by direct you mean XCMP that is implemented without the full message going via the relay chain, then no that is not yet possible. It's on the roadmap after XCM v3 I believe, but the way things are coded, when this optimisation lands, it should not alter the existing APIs, it should just make XCMP message sending cheaper and more scaleable.

  • Ok thanks ! Cheaper XCMP could be nice !
    – lucgerrits
    Jul 18, 2022 at 8:13

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