How to alert another member?

[Bennoel 10]

I'm sure it's simple but I don't possess the knowledge of how to alert a member to a certain post. Any help appreciated.
Thanks

 

[kiwigtx]

I'm sure it's simple but I don't possess the knowledge of how to alert a member to a certain post. Any help appreciated.
Thanks

Type an '@' then their UserID.... as in @Bennoel 10