Display configuration for this event. Merged from group defaults and per-event overrides.
Event date extracted from DateFieldName.
Optional descriptionEvent description/body text.
Reference to the original source record. Can be a BaseEntity or plain object.
Index of the parent group in the groups array.
Unique identifier for this event. Extracted from the source record using IdFieldName.
Optional imageImage URL if configured.
Current expansion state.
Optional subtitleOptional subtitle extracted from SubtitleFieldName.
Event title extracted from TitleFieldName.
Internal representation of a timeline event. Created by mapping source records to this structure.