Read..AtIndex extracts a value from an array element with the specified index.
The "current" element must be an array.

• Declare an XPRIM_JsonObject to hold the contact number
  Define_Com Class(#XPRIM_JsonObject) Name(#ContactNoItem)
• Get the object at index 1
  #ContactNoItem.Refer To(#Reader.ReadObjectAtIndex(1))
• Pass the object to another method
  #AnotherComponent.ProcessContactNo Object(#ContactNoItem)