# EntitlementMessageParams Interface
What an entitlement-key lifecycle message is built from: the date exactly as the key carries it (never rebuilt from a timestamp) and the whole UTC days left until it.
# Properties
# daysRemaining
• daysRemaining: number | null
Defined in src/helpers/licenseKeyValidator.ts:53 (opens new window)
null for a release_until key, which is compared with the build date and reads no clock.
# licensedUntil
• licensedUntil: string
Defined in src/helpers/licenseKeyValidator.ts:51 (opens new window)