# Interface: FlowCoreMapDataJoinOptions
FlowCoreDataJoin options.
# Hierarchy
- FlowCoreMapDataJoinOptions
# Properties
# clear
• clear: boolean
Set to true
to clear feature state before applying data join.
# flowDataSource
• flowDataSource: FlowCoreDataSource
Parent map data source.
# flowMap
• flowMap: FlowCoreMap
Parent map.
# foreignKey
• foreignKey: string
Data join foreign key.
# id
• id: string
Data join ID.
# sourceLayer
• sourceLayer: string
Data source layer to join.
# src
• src: string | any[]
Data join source: dataset ID, external URL or array of data.