Builds a Subscription requesting MARKETING consent on every channel the profile has an
identifier for. Mirrors the server's default behavior when no consent object is sent, but
requesting it is a deliberate call.
Parameters
listId: string
ID of the Klaviyo list to subscribe the profile to
OptionalcustomSource: string
Optional signup-source label, stored as the consent record's $source
Builds a Subscription requesting MARKETING consent on every channel the profile has an identifier for. Mirrors the server's default behavior when no consent object is sent, but requesting it is a deliberate call.