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Although there appears to be no direct way to query the PubSub/PEP service if it supports pubsub#deliver_payloads, it may be possible for entities to probe the availability of this feature by attempting to create a "dummy" node where pubsub#deliver_payloads is set to true. IIRC recent changes to XEP-0060 require services to return an error on unknown configuration values. But this is fragile until this requirement is deployed widely. So ultimately, the entity possibly also wants to verify if setting has been respected and became effective. | Although there appears to be no direct way to query the PubSub/PEP service if it supports pubsub#deliver_payloads, it may be possible for entities to probe the availability of this feature by attempting to create a "dummy" node where pubsub#deliver_payloads is set to true. IIRC recent changes to XEP-0060 require services to return an error on unknown configuration values. But this is fragile until this requirement is deployed widely. So ultimately, the entity possibly also wants to verify if setting has been respected and became effective. | ||
[[Category:Spec_Remarks]] |
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