3 | | DEQM Submit Data Update Type Extension | hl7.fhir.us.davinci-deqm#current | R4 | This Extension supports the concepts 'incremental' and 'snapshot' and corresponds to the measureScore types in the FHIR R5 version of MeasureReport.
- The DEQM Consumer Server **SHALL** use this Extension to advertise whether it supports [snapshot](index.html#incremental-update) or [incremental](index.html#snapshot-update) updates for the [DEQM Submit Data transaction](datax.html#submit-data).
- The DEQM Producer Client **SHALL** use this Extension to indicate whether the payload is a snapshot or incremental update for DEQM Submit Data transaction.
When responding to the [DEQM Collect Data transaction](datax.html#collect-data), the DEQM Producer Server **SHALL** value it 'incremental' if the `lastReceivedOn` parameter is present or 'snapshot if the `lastReceivedOn` parameter is absent. |