The layers adminLayerInfo Used to fetch relationship info in some cases
Calculated pattern used for templatization eg. "{{itemId.fields.layerId.fieldname}}"
The fields this datasource contains
Optional
idThe webmap layer id eg. "TestLayerForDashBoardMap_632"
The id for the layer from a map could be referenced by more than one map for a solution
The portal item id eg. "4efe5f693de34620934787ead6693f19"
The id for the layer from the service eg. 0
Optional
referencesThe ralative ids for references to a datasource Application types like dashboard can reference datasources via realtive widget reference ids
The details on any relationships that the datasource is involved in
Optional
urlThe url used for fields lookup
The relevant elements of a data source that are used for templatization