# BENEFICIAL_OWNER A new beneficial owner was linked to a business, or an existing one was updated. Solaris will send a notification on this webhook if additional beneficial owners are discovered during the business identification process. For more information about beneficial owners, check the business onboarding guide. Endpoint: POST beneficial_owner Version: 1.0 ## Request fields (application/json): - `id` (string) ID of the beneficial owner relationship. Example: "a5f454e3f96447d6b3f7ecda46328040" - `beneficial_owner_id` (string) Person ID of the beneficial owner. Example: "b9c5661fc7d240b8b51b9059b580cper" - `person_id` (string) Person ID of the beneficial owner. Example: "b9c5661fc7d240b8b51b9059b580cper" - `valid_until` (string) The date when the beneficial owner relationship expires. Example: "2022-12-31" - `voting_share` (integer) The beneficial owner's voting share. Expressed as a double-digit percentile (e.g., 75% would be expressed as ). Example: 75 - `business_id` (string) ID of the business to which the beneficial owner is linked. Example: "e0277fae750a4c849660da873f94cbiz"