startAt property
StartAt is when the work starts, in unix seconds; absent means unscheduled. A forge row takes it from when the issue was opened, but only once the issue has a due date — an interval needs both ends.
Please note: This property should have been non-nullable! Since the specification file does not include a default value (using the "default:" property), however, the generated source code must fall back to having a nullable type. Consider adding a "default:" property in the specification file to hide this note.
Implementation
int? startAt;