Projo FHIR Documentation
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Extension: Next Reminder Timestamp (Experimental)

Official URL: https://projo.evoleen.com/fhir/StructureDefinition/next-reminder-timestamp Version: 0.1.0
Draft as of 2024-01-01 Computable Name: NextReminderTimestamp

Copyright/Legal: Copyright (c) Projo. Licensed under CC0-1.0 (public domain dedication). FHIR(R) is the registered trademark of HL7 and is used with permission. This IG references WhatsApp(R), a trademark of Meta Platforms, Inc., for descriptive purposes only.

Orchestrator-owned schedule for when to send the next reminder CommunicationRequest. Set by handleTaskDue at dispatch: deliveryTime + REMINDER_THRESHOLD_MINUTES (default 60). Updated by the sweeper in three scenarios: (1) bootstrap if absent (CR.meta.lastUpdated + threshold); (2) reset when the patient is active (last-inbound-message-timestamp + threshold); (3) advanced after a successful reminder send (last reminder completion + REMINDER_INTERVAL_MINUTES default 24h). Read only by the orchestrator sweeper; the sidecar never reads or writes this extension. When the timestamp passes, the sweeper creates a reminder CR (category=reminder, basedOn=parent CR) via conditional create, up to MAX_REMINDERS_PER_CR (default 3).

Documentation-only artifact. Projo's runtime extensions, code systems, identifier systems and search parameter are TypeScript constants and bootstrap-time resources, NOT deployed StructureDefinitions. This StructureDefinition exists to document the contract; the source of truth is src/functions/src/lib/fhir/types.ts and docs/FHIR_EXTENSIONS.md.

Context of Use

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Next Reminder Timestamp
... extension 0..0 Extension
... url 1..1 uri "https://projo.evoleen.com/fhir/StructureDefinition/next-reminder-timestamp"
... value[x] 1..1 dateTime Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Next Reminder Timestamp
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "https://projo.evoleen.com/fhir/StructureDefinition/next-reminder-timestamp"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type dateTime: Orchestrator-owned schedule for when to send the next reminder CommunicationRequest. Set by handleTaskDue at dispatch: deliveryTime + REMINDER_THRESHOLD_MINUTES (default 60). Updated by the sweeper in three scenarios: (1) bootstrap if absent (CR.meta.lastUpdated + threshold); (2) reset when the patient is active (last-inbound-message-timestamp + threshold); (3) advanced after a successful reminder send (last reminder completion + REMINDER_INTERVAL_MINUTES default 24h). Read only by the orchestrator sweeper; the sidecar never reads or writes this extension. When the timestamp passes, the sweeper creates a reminder CR (category=reminder, basedOn=parent CR) via conditional create, up to MAX_REMINDERS_PER_CR (default 3).

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Next Reminder Timestamp
... extension 0..0 Extension
... url 1..1 uri "https://projo.evoleen.com/fhir/StructureDefinition/next-reminder-timestamp"
... value[x] 1..1 dateTime Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Next Reminder Timestamp
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "https://projo.evoleen.com/fhir/StructureDefinition/next-reminder-timestamp"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type dateTime: Orchestrator-owned schedule for when to send the next reminder CommunicationRequest. Set by handleTaskDue at dispatch: deliveryTime + REMINDER_THRESHOLD_MINUTES (default 60). Updated by the sweeper in three scenarios: (1) bootstrap if absent (CR.meta.lastUpdated + threshold); (2) reset when the patient is active (last-inbound-message-timestamp + threshold); (3) advanced after a successful reminder send (last reminder completion + REMINDER_INTERVAL_MINUTES default 24h). Read only by the orchestrator sweeper; the sidecar never reads or writes this extension. When the timestamp passes, the sweeper creates a reminder CR (category=reminder, basedOn=parent CR) via conditional create, up to MAX_REMINDERS_PER_CR (default 3).

 

Other representations of profile: CSV, Excel, Schematron

Constraints

Id Grade Path(s) Description Expression
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()