Update an existing activity entry.
"872815618512410358"
Activity type. Determines validation rules for other fields.
duration, range "duration"
"872815618512410358"
"2019-11-11"
Can be provided only for duration activity type and must be ≤ 24h.
"PT1H30M20S"
Can be provided only for range.
"2019-11-11T12:34:56"
Can be provided only for range activity type. Set to null to leave the activity open.
"2019-11-11T12:34:56"
Activity updated.