into

infix fun ColumnReference<*>.into(name: String): Boolean
infix fun AddGroup<T>.into(groupName: String)


infix fun <R> ColumnReference<R>.into(column: ColumnAccessor<R>): Boolean
infix fun <R> ColumnReference<R>.into(column: KProperty<R>): Boolean
infix fun AddGroup<T>.into(column: ColumnAccessor<DataRow<*>>)

Deprecated

It's recommended to migrate to the String or Extension Properties Access API https://kotlin.github.io/dataframe/apilevels.html