| applicant | applicant | Object representing the applicant |
| candidate | candidate | Object representing the candidate |
| vacancy | vacancy | Object representing the job listing |
| column | integer | Column identifier on which the candidate is |
| cv | | |
| user | | |
| message | string | 'A new candidate has applied to your job listing {vacancy.title}' |
| applicant_id | integer | Plain applicant identifier |
| candidate_id | integer | Plain candidate identifier |
| column_id | string | Encoded column identifier |
| vacancy_id | string | Encoded job listing identifier |
| company | company | Object representing the company (only id and name fields are returned) |