# StudyFilledAreaInfo [Integration guide](https://docs.lumencharts.com/charting-library/reference/compatibility) · [Reference index](https://docs.lumencharts.com/charting-library/api/) Public contract reference. This declaration describes types and callback shapes; availability is constrained by the linked integration guide and the runtime capability. Legacy product-specific fields are not a promise of implementation. ## id {#id} ```ts readonly id: string; ``` Use the type signature above and the integration guide for the owning capability. ## objAId {#objaid} ```ts readonly objAId: string; ``` Use the type signature above and the integration guide for the owning capability. ## objBId {#objbid} ```ts readonly objBId: string; ``` Use the type signature above and the integration guide for the owning capability. ## title {#title} ```ts readonly title: string; ``` Use the type signature above and the integration guide for the owning capability. ## type {#type} ```ts readonly type: FilledAreaType; ``` Use the type signature above and the integration guide for the owning capability. ## fillgaps {#fillgaps} ```ts readonly fillgaps?: boolean; ``` Use the type signature above and the integration guide for the owning capability. ## zorder {#zorder} ```ts readonly zorder?: number; ``` Use the type signature above and the integration guide for the owning capability. ## isHidden {#ishidden} ```ts readonly isHidden?: boolean; ``` Use the type signature above and the integration guide for the owning capability. ## palette {#palette} ```ts readonly palette?: string; ``` Use the type signature above and the integration guide for the owning capability. ## topValue {#topvalue} ```ts readonly topValue?: number; ``` Use the type signature above and the integration guide for the owning capability. ## bottomValue {#bottomvalue} ```ts readonly bottomValue?: number; ``` Use the type signature above and the integration guide for the owning capability. ## topColor {#topcolor} ```ts readonly topColor?: string; ``` Use the type signature above and the integration guide for the owning capability. ## bottomColor {#bottomcolor} ```ts readonly bottomColor?: string; ``` Use the type signature above and the integration guide for the owning capability. ## fillToIntersection {#filltointersection} ```ts readonly fillToIntersection?: boolean; ``` Use the type signature above and the integration guide for the owning capability. ## Related types - [FilledAreaType](https://docs.lumencharts.com/charting-library/api/FilledAreaType) --- Documentation page: https://docs.lumencharts.com/charting-library/api/StudyFilledAreaInfo