Reference
FieldArrayApi
Exposes stable keyed row state and mutation helpers for an array field.
Signature
interface FieldArrayApiMembers
fields: ReadonlyCell<FieldArrayRow<ArrayFieldValue<TValues, Name>>[]>function append(value: ArrayFieldValue<TValues, Name>): Promise<void>function insert(index: number, value: ArrayFieldValue<TValues, Name>): Promise<void>function move(from: number, to: number): Promise<void>function remove(index: number): Promise<void>function swap(first: number, second: number): Promise<void>