Does anybody know where i can find implementation of feature called "Zoom to Feature".

To use this function from GUI you have to right click on layer then choose "Open Attribute Table" then right click on feature and there should be option called "Zoom to Feature" in context menu.

It looks like this:

[![enter image description here][1]][1]


[IMPORTANT]

Feature in Qgis is a set of attributes from table.

[![enter image description here][2]][2]


  [1]: https://i.sstatic.net/xdBE1.png
  [2]: https://i.sstatic.net/REN3w.png