Right to object
A data subject has the right to object to the processing of their personal data. This right is not absolute and only applies in certain circumstances as detailed in Article 21 of the GDPR.
It includes a right to object to processing (including profiling) of their data that proceeds under particular legal bases; to direct marketing; and to processing of their data for research purposes where that research is not necessary in the public interest.
Further information is available in Article 21 of the GDPR