How do i make a function run when you click a chat message?

[NeonOctoflsh]

I have tried lots of things to try to make a function run by clicking a message but nothing works. do any of you guys know how to do this??

 

[NeonOctoflsh]

Is it even possible? or is it just commands that you can use with the click message thing

 

[CoderElias]

You can currently only create messages that when clicked run a command, not a function.