Dangerous Goods training has evolved from traditional learning to competency-based training and assessment (CBTA) as agreed by ICAO.
In IATA's new 'Dangerous Goods Training Guidance' as referenced in IATA's DGR - section 1.5:
Categories 10 have transitioned to function 7.7 | Flight Crew
To be determined after conducting needs assessment
Flight Crew
To help participants understand what substances and articles constitute dangerous goods and the limitations applicable to the transport of dangerous goods by air and to be able to handle them correctly