- When the event is to occur A set of rules that describe when the event should occur.
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Key: = Must support, = QICore-defined extension, = Is-Modifier
Field Card. Type and Description 
bounds[x] 0..1Duration | interval<Quantity> | interval<DateTime>Either a duration for the length of the timing schedule, a range of possible length, or outer bounds for start and/or end limits of the timing schedule.count 0..1IntegerA total count of the desired number of repetitions.countMax 0..1IntegerA maximum value for the count of the desired repetitions (e.g. do something 6-8 times).duration 0..1DecimalHow long this thing happens for when it happens.durationMax 0..1DecimalThe upper limit of how long this thing happens for when it happens.durationUnit 0..1codeThe units of time for the duration, in UCUM units.Binding: UnitsOfTime (Required)
frequency 0..1IntegerThe number of times to repeat the action within the specified period / period range (i.e. both period and periodMax provided).frequencyMax 0..1IntegerIf present, indicates that the frequency is a range - so repeat between [frequency] and [frequencyMax] times within the period or period range.id 0..1Stringunique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.offset 0..1unsignedIntThe number of minutes from the event. If the event code does not indicate whether the minutes is before or after the event, then the offset is assumed to be after the event.period 0..1DecimalIndicates the duration of time over which repetitions are to occur; e.g. to express "3 times per day", 3 would be the frequency and "1 day" would be the period.periodMax 0..1DecimalIf present, indicates that the period is a range from [period] to [periodMax], allowing expressing concepts such as "do this once every 3-5 days.periodUnit 0..1codeThe units of time for the period in UCUM units.Binding: UnitsOfTime (Required)
when 0..1codeA real world event that the occurrence of the event should be tied to.Binding: EventTiming (Required)
Key: = Must support, = QICore-defined extension, = Is-Modifier
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