# Send messages Endpoint: POST /actions/{id}/executions Version: 8.1.0 ## Path parameters: - `id` (string, required) The action's id to send ## Header parameters: - `X-Key` (string, required) A unique API key used to authenticate requests to the NP6 platform. This key must be included in every API call to validate the identity and permissions of the client. Keep your API key secure and do not expose it in public code or logs. ## Request fields (application/vnd.np6.cm.email): - `recipient` (object) The recipient identification - `recipient.type` (string) - `related` (object) The related identification - `copies` (array) Carbon copies - `headers` (object) Template "headers" - `headers.from` (object) Email From template overriding - `headers.from.label` (string) Email From label - `headers.from.prefix` (string) Email From prefix - `headers.from.domain` (string) Email From domain - `headers.reply` (string) Email Reply template overriding - `subject` (string) Template "subject" - `attachments` (array) Attachments - `attachments.name` (string) Value used to set attachment's file name - `attachments.mime` (string) Value used to set attachment's mime type - `attachments.data` (object) Value used to set attachment's data - `content` (object) Views overrides - `data` (object) Rendering data - `blocks` (array) Blocks of additional data - `variables` (array) Additionnal variables - `stamp` (object) Stamp data - `stamp.time` (integer) Creation time of the stamp This is the number of milliseconds elapsed since January 1, 1970 00:00:00 UTC. - `stamp.id` (string) The stamp id - `stamp.thread` (string) The thread id - `stamp.set` (string) The set id - `urgent` (boolean) Indicates the priority of this message - `important` (boolean) Indicates the importance of this message ## Response 200 fields (application/json): - `type` (string) ## Response 401 fields ## Response 403 fields ## Response 404 fields ## Response 409 fields ## Response 411 fields