NAME:A model with an optional field
GROUP:[Test models]
PARAMETER:ParameterVector|VECTORLAYER_V|v|-1|False
120.0,60.0
VALUE:HARDCODEDPARAMVALUE_METHOD_0===0
ALGORITHM:qgis:convexhull
135.0,186.0
None
-1|VECTORLAYER_V
None
-1|HARDCODEDPARAMVALUE_METHOD_0
result