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 9 have transitioned to function 7.5 | Accepting Passenger and Crew Baggage and Direct Passenger Contact at an Airport
To be determined after conducting needs assessment
Passenger handling staff
To help the check-in and passenger services staff understand what substances and articles constitute dangerous goods and the limitations applicable to the transport of dangerous goods by air.