התאמה אישית של הודעות מערכת, האם {$username} אפשרי?

Regarding the customization of system messages, is it possible to make them more personal?

One of the default messages says,

Hey there. We see you’ve been busy reading

Is there a way to make it be specific to the individual receiving the message?

Like,

Hey Joe, we see you’ve been busy reading

לייק 1