This option is available on Matching Column (Step 2) of Update, Add & Export feed only. This field have extra setting. If you want to add the extra text in the beginning or end of the vendor field, you can click here to know more.
A vendor is defined as a supplier of goods or services. Normally, a vendor will sell the products or services to another company or individual.
There is a setting for this field which is:
1. Ignore Words
Ignore words lets you ignore the specific wording that you don't want to be added or updated for the product from the feed file. Its supports multiple ignored words, separated by a comma while it also supports regular expressions too.
For example, if vendor Addidas 123 in your feed file and you want to remove 123 then you just include it in the ignore words section as 123. All the vendors which have 123 in your feed file will be removed.
If your feed file doesn't have any column as a vendor and you want to apply vendor as Bata for all your products. You can select the option as Static and enter the value Bata in the field.