I want to write some log in the log tab of processing algorithm User Interface like [this post][1] but for QGIS 3 (PyQGIS 3).

It seems that "progress.setText('Youpi')" does not work anymore.

What's the good way ?



  [1]: https://gis.stackexchange.com/questions/259954/how-to-write-log-message-in-qgiss-script-algorithms-gui-tab