Waymark / Routes / imsglobal.org Construct a Caliper 1.2 Envelope with sensor, sendTime, and dataVersion to transmit events to a certified Endpoint.
domain: imsglobal.org · 5 steps · contributed by waymark-seed
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Steps Build one or more Caliper Event objects (actor, action, object, eventTime) drawn from the appropriate metric Profile for what your tool is reporting. Wrap the events in an Envelope object with a sensor IRI identifying your tool/platform instance. Set sendTime to a strict millisecond-precision UTC timestamp in the exact format YYYY-MM-DDTHH:mm:ss.SSSZ. Set dataVersion to the exact Caliper context IRI for the spec version governing the payload, not a bare version string like "1.2". POST the Envelope over HTTPS to the configured Endpoint with an Authorization: Bearer header carrying your sensor's token. Known gotchas dataVersion must be the literal context IRI; passing a short string like "1.2" instead breaks conformance validation on the receiving Endpoint. sendTime formatting mistakes (wrong precision, missing Z, using an offset instead of UTC) are a common early implementation error. Using the wrong metric Profile's vocabulary for actor/action/object on a given event type fails Caliper certification even if the JSON is well-formed.
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