Leads to a DataSourceConnection object in the IBM Cognos Content Store, which contains the required parameters for connecting to the database. A data source in the Content Store. Required if the dataSource object contains multiple dataSourceConnection objects (that are "executable" by the current user), the name of a dataSourceSignon object contained within the data source connection. Required if the dataSourceConnection object contains multiple dataSourceSignon objects (that are "executable" by the current user) the database autherntication credentials, required if the dataSourceConnection object contains no dataSourceSignon objects (that are "executable" by the current user)