Represents a period of a goal a user on the Capsule account is working towards.
| Name | Type | Description | |
|---|---|---|---|
| id | Long | Read only | The id of this goal period. | 
| startOn | Date | Read only | The start date of this goal period. | 
| endOn | Date | Read only | The end date of this goal period. | 
| targetValue | Double | Read only | The target value of the goal during this period. | 
| currentValue | Double | Read only | The value achieved so far as part of this goal during this period. | 
| completedOn | Date | Read only | Indicates when this goal period target was achieved,  |