Function signOff

signOff(
    log: RevisionLog,
    revId: string,
    info: SignOffInfo,
): { log: RevisionLog; signOff: SignOff }
Attest a revision in review or released.
Parameters
- log: RevisionLog
- revId: string
- info: SignOffInfo
Returns { log: RevisionLog; signOff: SignOff }