The task hint?

[Rytuklis 10]

I've noticed that in most missions when a task is created, succeeded or failed, a task hint in black box on the top appears. However, mine doesnt. Is there some special command for it?

[Mirek 166]

https://community.bistudio.com/wiki/taskHint

taskhint ["Task failed!\nBad job!", [1, 0, 0, 1], "taskFailed"]