Changes to Render campaign HTML

added the new optional request property variationId

added the optional property issues to the response with the 400 status

added the optional property issues to the response with the 401 status

added the optional property issues to the response with the 403 status

added the optional property issues to the response with the 404 status

the request property subscriber/firstName became not nullable

the request property subscriber/lastName became not nullable

added the new optional request property subscriber/tags

added the required property unevaluatedConditions to the response with the 200 status

added the optional property retryable to the response with the 400 status

added the optional property retryable to the response with the 401 status

added the optional property retryable to the response with the 403 status

added the optional property retryable to the response with the 404 status

added the optional property code to the response with the 400 status

added the optional property code to the response with the 401 status

added the optional property code to the response with the 403 status

added the optional property code to the response with the 404 status

the response property success became optional for the status 400

the response property success became optional for the status 401

the response property success became optional for the status 403

the response property success became optional for the status 404

added the required property unresolvedMergeTags to the response with the 200 status

endpoint added