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
https://gccollab.gctools-outilsgc.ca/en/support/solutions/articles/2100028741-how-can-i-send-a-message-to-all-my-group-members-
How can I send a message to all my group members? : GCcollab - Support
how can iall mygroup memberssendmessage