Hello Ester, you may do that by using a curly bracket "{" plus a User Macro which will invoke that component into Confluence editor. Note that while there are examples on the syntax for composing a User Macro, they may require a bit of tinkering before you can get to the functioning code.
A good shortcut would be to employ an add on such as Quick Suggest which delivers the feature, you may like to look for other options within http://marketplace.atlassian.com
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.