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# HealthKit Functions

## Topics

### Functions

[`extern NSNumber *HKStateOfMindValenceClassificationForValence(double valence);`](/documentation/HealthKit/HKStateOfMindValenceClassificationForValence)

[`extern NSInteger HKMaximumScoreForGAD7AssessmentRisk(HKGAD7AssessmentRisk risk);`](/documentation/HealthKit/HKMaximumScoreForGAD7AssessmentRisk)

Returns the upper bound of the score range for the given GAD-7 risk classification.

[`extern NSInteger HKMaximumScoreForPHQ9AssessmentRisk(HKPHQ9AssessmentRisk risk);`](/documentation/HealthKit/HKMaximumScoreForPHQ9AssessmentRisk)

Returns the upper bound of the score range for the given PHQ-9 risk classification.

[`extern NSInteger HKMinimumScoreForGAD7AssessmentRisk(HKGAD7AssessmentRisk risk);`](/documentation/HealthKit/HKMinimumScoreForGAD7AssessmentRisk)

Returns the lower bound of the score range for the given GAD-7 risk classification.

[`extern NSInteger HKMinimumScoreForPHQ9AssessmentRisk(HKPHQ9AssessmentRisk risk);`](/documentation/HealthKit/HKMinimumScoreForPHQ9AssessmentRisk)

Returns the lower bound of the score range for the given PHQ-9 risk classification.


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