UserIDGeneratorParametersDataSourceIdForDuplicateCheck Property

UId of Data Source object which contains query used for check of uniqueness The datasource must contain a parameter "userId" which should be used to compare the generated userid agains the external data source in the query e.g: SELECT 1 FROM users where username = @userId If the data source query returns a result, the generated identity id is NOT unique

public int DataSourceIdForDuplicateCheck { get; set; }