The CDM Principal Designers Duties Training Course is aimed at anyone working on construction projects (and other such projects in which the CDM regulations apply) who are assuming the Principal Designer duties under the CDM 2015 Regulations. 
Delegates had the following to say:
“Very informative, and helped clarify some questions in a clear way” 
“I feel that I have been informed of my duties under the CDM Regulations. I will take back plenty of suggestions for our company to look at, and possibly address”