How to get, use or find the value of a certain objects?

 
Hello guys I'm currently trying to make an EA which will get the value of a certain indicator using iCustom.
This indicator is auto fibo, I want to get the values of each fibo levels and set it as the takeprofit, Do you have any ideas how to do that?

Btw. I tried using this: 
but I don't know if I am doing it correctly.
ObjectGetDouble - Object Functions - MQL4 Reference
ObjectGetDouble - Object Functions - MQL4 Reference
  • docs.mql4.com
ObjectGetDouble - Object Functions - MQL4 Reference
 
Yes, at first you find the object (ObjectFind), after that you get (ObjectGet) the price value (OBJPROP_PRICE1)
 
Ghenadie Tumco:
Yes, at first you find the object (ObjectFind), after that you get (ObjectGet) the price value (OBJPROP_PRICE1)

What if I have 1 fibo and it has 5 Fibo levels and I want to get the value of a specific level?  Example on the picture.
Files:
Sample.png  24 kb
 
Types and Properties of Graphical Objects - Appendixes - MQL4 Tutorial
Types and Properties of Graphical Objects - Appendixes - MQL4 Tutorial
  • book.mql4.com
Types and Properties of Graphical Objects - Appendixes - MQL4 Tutorial
 
Ghenadie Tumco:

OBJPROP_FIRSTLEVEL+?

Types and Properties of Graphical Objects


Sorry my bad, you're right hehe. Can you tell me the exact format please, I'm new to mql4 language.

Reason: