Input
| connectedAccountIdrequired | string · uuid The account that sends it. Its channel must match `action`. |
| leadIdrequired | string · uuid The lead it goes to. |
| actionrequired | "linkedin_message" | "linkedin_inmail" | "linkedin_invitation" | "instagram_message" `linkedin_invitation` sends a connection request with `text` as its note. |
| textrequired | string Sent exactly as written, so {{variables}} are not allowed. Up to 300 characters for a connection note and 1900 for an InMail. |
| subjectoptional | string Required for `linkedin_inmail`, not allowed otherwise. |