In exercising the general function, the Victims and Witnesses [para 167] Commissioner is to (a) engage with victims and witnesses, persons 2 p roviding victim support services; (b) raise awareness of and promote the interests of victims and witnesses; (c) monitor compliance with (i) standards of service set and published under s(2) of the Victims & Witnesses (Scotland) Act 2014, (ii) the Victims’ Code for Scotland; (d) promote best practice, in particular trauma- informed practice by (i) criminal justice agencies); (i) persons providing victim support services; (e) undertake and commission research in order to (i) produce the Commissioner’s annual report, and (ii) make recommendations, in relation to any matter relevant to the Commissioner’s general function, to criminal justice agencies and to persons providing victim support services.