{"command":{"effect":"read","timeoutSeconds":30,"inputSchema":{"type":"object","description":"**This endpoint allows you to retrieve all of the authenticated domains that have been assigned to a specific subuser.**\n\nAuthenticated domains can be associated with (i.e. assigned to) subusers from a parent account. This functionality allows subusers to send mail using their parent's domain. To associate an authenticated domain with a subuser, the parent account must first authenticate and validate the domain. The parent may then associate the authenticated domain via the subuser management tools.\n\n\nNote that if you used the [`/v3/whitelabel/domains/{domain_id}/subuser:add` endpoint]( https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication/associate-an-authenticated-domain-with-a-subuser-multiple) to add multiple domains to the subuser, you can use the [`/v3/whitelabel/domains/subuser/all` endpoint](https://www.twilio.com/docs/sendgrid/api-reference/domain-authentication/list-the-authenticated-domain-associated-with-a-subuser-multiple) to list those associated domains.","properties":{"query":{"type":"object","properties":{"username":{"type":"string","description":"Username for the subuser to find associated authenticated domain."}},"required":["username"],"additionalProperties":false}},"required":["query"],"additionalProperties":false},"name":"List the authenticated domain associated with the given user.","id":"sendgrid.domain_authentication.listauthenticateddomainwithuser","example":{"query":{"username":"example"}},"maxRequests":1,"summary":false}}