Send LinkedIn connection request to the specified profile.
LinkedIn profile URL or public identifier or profile ID to which the connection request will be sent. For example, 'https://www.linkedin.com/in/john-doe-123456789/'
LinkedIn cookies. Please check https://docs.harvest-api.com/guides/custom-accounts for more details on how to get and use the cookies.
Proxy to use for this request. More details - https://docs.harvest-api.com/guides/custom-accounts
User-Agent to use for this request. More details - https://docs.harvest-api.com/guides/custom-accounts