How to determine the number of inputs of block simulink from the command line?

I want to determine the number of inputs of block simulink. How to do it?

Answer 1

[Chandrasekhar]

click on the Simulink block/Subsystem for which you have to find the inputs and then use the following commands

a = get_param(gcb,'PortHandles');
length(a.Inport)

[WANG Jason]

Great.

Answer 2

[Nouran Adel]

and how can I determine the input itself of a simulink block ?? I mean how can I know which block is the input of the specified simulink block ?