How to push item name from Zoho Books to Zoho Creator using Custom function?

How to push item name from Zoho Books to Zoho Creator using Custom function?

There are multiple module in Zoho Books, Suppose I need to push data of Estimate into Zoho Creator, I have created similar form in Zoho Creator as well as I made a connection with Zoho Books to Zoho Creator. I am able to push other data except this Item & Description. How can I push these data into Zoho Creator? Website Link Olansi facial Skin

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