diff --git a/src/BusinessService.ts b/src/BusinessService.ts
index 34a5bf71..e714bc36 100644
--- a/src/BusinessService.ts
+++ b/src/BusinessService.ts
@@ -126,6 +126,10 @@ export type Business = {
    * If set to true by the admin, users will be automatically added to the business when they log in via SSO.
    */
   ssoAutoJoin?: boolean;
+  /**
+   * If true, the invited user will be automatically assigned to a subscription.
+   */
+  automaticSeatAssignment: boolean;
   /**
    * A list of verified domains.
    */