This sample demonstrates the different mentioned characters that are used to render the suggestion list. Type the @ or # or $ or % characters to select or tag the name from respective suggestion lists.
In the above sample, the following are configured for the contenteditable div element with @mention integrated.
@ - Typing @ lists out the suggestions of the employee names.# - Typing # lists the project names.$ - Typing $ lists out the cost of the project.% - Typing % lists the status of the project.