1. demonstrate your education and training, an example is by producing brochures that describe training event, retreats and workshop
also you should include work performance demonstration example in community service group.
also there is need to demonstrate your data skills example community memos reports and pieces
they are important in job search because they give a higher chance to get the job than the person who don't have. in my own portfolio i would also include curriculum vitae and some letters of recommedation from various seniors i have worked for them before