FromDefinitionDataSourceBuilder.IdentityAttribute

FromDefinitionDataSourceBuilder.IdentityAttribute method

Mandatory setting that allows tracking changes.

public FromDefinitionDataSourceBuilder IdentityAttribute(string name, bool overwriteSameKey = true)

Parameter	Type	Description
name	String	An attribute of a feature that will be treated as uniquely identifying the feature.
overwriteSameKey	Boolean	If this flag is set to true, then newly added features with a unique identifier the same that is already present in the layer, the current one will be overwritten, and the data will be read as updated if differences are found. Otherwise, an exception will be thrown.