This was already addressed in 9790f95a (Step 2b lines 258–264 and Files Modified table line 591 both document `_required_columns` + `get_required_columns()`). Confirmed still present in c5d2dbc9.

[andy9trider69-bit]

This was already addressed in 9790f95a (Step 2b lines 258–264 and Files Modified table line 591 both document _required_columns + get_required_columns()). Confirmed still present in c5d2dbc9.

Originally posted by @nabinchha in NVIDIA-NeMo/DataDesigner#480 (comment)