Input parameters to get a value

[weianweigan]

Is your feature request related to a problem? Please describe. Some properties or methods need parameters to get a value

Describe the solution you'd like Add a dropdown panel for user to input some value they konw.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.

[chuongmep]

that good idea, i support it.

[weianweigan]

I commited code, you can take a look at #18