Adding custom symbol and adding data to it in MT5 with or without MQL5

[jaffer wilson]

I was looking at the documentation of the custom symbol and even the functions provided by the MT5. But I could not understand the implementation of that as the documentation is not offering a single to know the implementation.

I tried to create the Symbol and even try to add to the chart but nothing appeared as I think I missed something. See the following image:  

I dont know what to do. Please guide me with the example or what I need to do to get the things working.