Bug report #16018
Updated by Nyall Dawson about 7 years ago
See:
http://lists.osgeo.org/pipermail/qgis-developer/2016-December/046390.html
The only way is to enter something is to click on "..." button, enter desired value in the expression dialog and close it by pressing OK.
Seems this is a general Processing bug and if I'm not wrong it worked fine before parameters refactoring.
http://lists.osgeo.org/pipermail/qgis-developer/2016-December/046390.html
The only way is to enter something is to click on "..." button, enter desired value in the expression dialog and close it by pressing OK.
Seems this is a general Processing bug and if I'm not wrong it worked fine before parameters refactoring.