To create an Ecwid product update configuration, go to Catalogs > Publications and click +New Configuration.

Upload the file containing the products and their information, taking care to select the correct separator and text delimiter (if present). Then click on Analyze.
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Select the Ecwid sales channel and Update Publications .

Proceed with mapping the identifier and columns you want to update.

Give your configuration a name and Save .

Then from the Catalogs>Publications section, under the buttons under Actions, click on the first Play.

Upload the file again, click Preview and then Run to launch the configuration.