Double dictionary exercise issue

Hi I am doing exercise Dictionaries & Doubles

getting below error I have seen the solution but not getting why this error showing

image

Hi,

Can you share content of Parameters property (Parameters panel)?

Regards,

Hi,

We need to set arguments of the method at Parameter panel as the following.

Or, in this case, we can also use Assign activity like

Cities("KEY") = Value

Regards,

Thanks !
Means Add is a parameterized method in this case