Get Payment Source check results for applicant

Unique identifier of the applicant in the Sumsub system. <br><br>This identifier is a random combination of 24 digits and lowercase Latin characters. It is automatically generated when the applicant is created on the Sumsub side, and can be found in the Dashboard. <br><br>If the applicantId is unknown to you, use the Get applicant data (externalUserId) method to fetch it.