When building a Google Paid Search campaign, you should use Keywords to promote your ad.
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You can Paste a list of keywords, limited to max 1000 records
Platform will consider the first 1000 keywords in the list and ignore the rest
You can get up to 25 suggested keywords by adding a URL or a Product definition
Any item previously added to the list will be replaced by the suggested keywords.
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Note. In case you paste a list of keywords including currently not supported, or duplicates (existing on Library), the platform will automatically remove it from your list and those are not going to be displayed.