activate function for this action, given as a single GVariant type string (or null for no parameter)
ActionEntry.parameterType
string parameterType() @propertyGet parameterType field.
Returns
the type of the parameter that must be passed to the
void parameterType(string propval) @propertySet parameterType field.
Parameters
propval | the type of the parameter that must be passed to the activate function for this action, given as a single GVariant type string (or null for no parameter) |