ORKCollectionResult Class Reference

Inherits from	ORKResult : NSObject
Declared in	ORKCollectionResult.h ORKCollectionResult.m

Overview

The ORKCollectionResult class represents a result that contains an array of child results.

ORKCollectionResult is the superclass of ORKTaskResult and ORKStepResult.

Note that object of this class are not instantiated directly by the ResearchKit framework.

An array of ORKResult objects that are the children of the result.

@property (nonatomic, copy, nullable) NSArray<ORKResult*> *results

For ORKTaskResult, the array contains ORKStepResult objects. For ORKStepResult the array contains concrete result objects such as ORKFileResult and ORKQuestionResult.

ORKCollectionResult.h

Looks up the child result containing an identifier that matches the specified identifier.

- (nullable ORKResult *)resultForIdentifier:(NSString *)identifier

`identifier`	The identifier of the step for which to search.

The matching result, or nil if none was found.

ORKCollectionResult.h

The first result.

@property (nonatomic, strong, readonly, nullable) ORKResult *firstResult

This is the first result, or nil if there are no results.

ORKCollectionResult.h