21  fields.
append( 
QgsField( QStringLiteral( 
"type" ), QMetaType::Type::QString, QStringLiteral( 
"String" ) ) );
 
 
Encapsulate a field in an attribute table or data source.
 
Container of fields for a vector layer.
 
bool append(const QgsField &field, Qgis::FieldOrigin origin=Qgis::FieldOrigin::Provider, int originIndex=-1)
Appends a field.
 
static QgsFields triangulationFields()
Returns the fields output by features when calling saveTriangulation().