pine script - How to get SPDR GLD ETF's holdings tonnes on tradingview from Quandl's datasource

Question

Question 1:

I need SPDR Gold Trust GLD Holdings data(Tonnes). Reference: https://www.spdrgoldshares.com/usa/

Who anyone tell me what data's quandl code is?

Question 2:

I need copper stockpiles from LME,Comex,SHFE.

Who anyone tell me what data's quandl code is?

I need usage these quandl code to show cruve on tradingview.

question from:https://stackoverflow.com/questions/65840687/how-to-get-spdr-gld-etfs-holdings-tonnes-on-tradingview-from-quandls-datasourc

Answer 1

Waitting for answers