@Corissandageri Let's try saving the list inside a variable and then use that variable in the email body.
Set(ListDetails, Concat(Purchaselist1,"Qty: " & Dropdown3.Selected.Result &" Code: " & Label6 & " Description: " & Label8 &"<br/>"));
Gmail.SendEmailV2(Dropdown_EmailCustom.Selected.Result, {Subject:"Order fom OP Columbia, P.O "& OrderNumberCustom,Body:"Hello "& Char(32)& Dropdown2Custom.Selected.Result & "<br/>"& CanIPleaseCustom & "<br/>" & ListDetails &"<br/>"& Notes1Custom & "<br/>"& "<br/>"& "Kind regards"& "<br/>"& "Ron Bakker" & "<br/>"&"<br/>"& "PRODUCTION SUPPORT COORDINATOR" & "<br/>"& "O P Columbia" & "<br/>"& "271 South Highway"& "<br/>"& "Whitianga 3510"& "<br/>"& "Phone: 07 866 2486"& "<br/>"& "Mob: xxxx xxx xx" });
ForAll(Purchaselist1,Patch(Table4,Defaults(Table4),{SupplierO:Supplier,CodeO:Code,Description02O:Description02, QuantityO: Dropdown3.Selected.Result,DateOrderedO:Today(), OrderNumO:GalleryOrderN2.Text, ProductNotesO:Notes1Custom.Text}));
Reset(ComboBox2);
Reset(Dropdown_EmailCustom);
Reset(Dropdown2Custom);
Reset(Dropdown_SupCustom);
Reset(CanIPleaseCustom);
Reset(Notes1Custom)
Gmail.SendEmailV2(Dropdown_EmailCustom.Selected.Result, {Subject:"Order fom OP Columbia, P.O "& OrderNumberCustom,Body:"Hello "& Char(32)& Dropdown2Custom.Selected.Result & "<br/>"& CanIPleaseCustom & "<br/>" & Concat(Purchaselist1,"Qty: " & Dropdown3.Selected.Result &" Code: " & Label6 & " Description: " & Label8 &"<br/>") &"<br/>"& Notes1Custom & "<br/>"& "<br/>"& "Kind regards"& "<br/>"& "Ron Bakker" & "<br/>"&"<br/>"& "PRODUCTION SUPPORT COORDINATOR" & "<br/>"& "O P Columbia" & "<br/>"& "271 South Highway"& "<br/>"& "Whitianga 3510"& "<br/>"& "Phone: 07 866 2486"& "<br/>"& "Mob: xxxx xxx xx" }); Select(Button4);