https://support.gccollab.ca/en/support/solutions/articles/2100031352-how-do-i-mention-or-tag-someone-on-gccollab-
How do I mention (or tag) someone on GCcollab? : GCTools
OADW help article related to mentioning and tagging other members on GCcollab.
how do imentiontagsomeonegccollab