We need a function to relate child records to a parent record just like in [Cases].
We would like to bring the following functions implemented in [Cases] to implement in [Opportunities] also.
・The function to inherit the field values of the parent record to the newly created child record.
・The function to refer to each records that is associated with parent and child.
(Same functions as the sub-grid of child record and the field of parent record in [Case].)