display event from multiple categories

Hello,

i use this shortcode to display event with “séminaire” type but i would like to add an other type like “Soutenance” [events per_page=”3″ show_more=”false” show_filters=”false” event_types=”Séminaire” layout_type=”List” orderby=”event_start_date” order=”DESC”]

how do i write it i try event_types=”Séminaire/Soutenance” but it doesnt works so i need your help.

Thx in advance

bye !