Changes to Turn the join link on or off, and set its role and expiry

added the non-success response with the status 409

added the non-success response with the status 415

removed the optional property _meta from the response with the 404 status (media type: application/json)

removed the optional property _meta from the response with the 404 status (media type: application/vnd.api+json)

removed the optional property _meta from the response with the 422 status (media type: application/json)

removed the optional property _meta from the response with the 422 status (media type: application/vnd.api+json)

removed the optional property errors/items/onboarding from the response with the 404 status (media type: application/json)

removed the optional property errors/items/onboarding from the response with the 404 status (media type: application/vnd.api+json)

removed the optional property errors/items/onboarding from the response with the 422 status (media type: application/json)

removed the optional property errors/items/onboarding from the response with the 422 status (media type: application/vnd.api+json)

removed the optional property links from the response with the 404 status (media type: application/json)

removed the optional property links from the response with the 404 status (media type: application/vnd.api+json)

removed the optional property links from the response with the 422 status (media type: application/json)

removed the optional property links from the response with the 422 status (media type: application/vnd.api+json)

added the optional property errors/items/meta to the response with the 404 status (media type: application/json)

added the optional property errors/items/meta to the response with the 404 status (media type: application/vnd.api+json)

added the optional property errors/items/meta to the response with the 422 status (media type: application/json)

added the optional property errors/items/meta to the response with the 422 status (media type: application/vnd.api+json)

added the optional property errors/items/source/header to the response with the 404 status (media type: application/json)

added the optional property errors/items/source/header to the response with the 404 status (media type: application/vnd.api+json)

added the optional property errors/items/source/header to the response with the 422 status (media type: application/json)

added the optional property errors/items/source/header to the response with the 422 status (media type: application/vnd.api+json)

added the optional property errors/items/source/parameter to the response with the 404 status (media type: application/json)

added the optional property errors/items/source/parameter to the response with the 404 status (media type: application/vnd.api+json)

added the optional property errors/items/source/parameter to the response with the 422 status (media type: application/json)

added the optional property errors/items/source/parameter to the response with the 422 status (media type: application/vnd.api+json)

endpoint added