Apple Search Ads Api: Find Targeting Keywords in a Campaign By Keyword`s name

I am using apple search ads api v4 to find keywords by keyword name. when fetching targeting keywords in a campaign’s ad groups. I get [ { messageCode: 'INVALID_INPUT', message: 'field not filterable', field: 'conditions[0].field' }] the field is 'text', how can i search by keyword name? this problem also happens in campaigns and adGroups

Apple Search Ads Api: Find Targeting Keywords in a Campaign By Keyword`s name
 
 
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