Bulk Messaging
--------------

Create a draft bulk message.

	- contacts that have opted out of email will be automatically excluded
	- GDPR permissions are not checked when a list of URIs is provided
	- sending limits may apply

*POLICY*: `bulkmessage.in_app|sms|email`

:subject:
	message subject (dynamic tags can be included), for SMS the subject is optional but useful for internal tracking
:body:
	message body markdown or html, jinja templating supported
:uris:
	list of Sheep uris to send to
:segment_uri:
	segment to send to
:regarding:
	optional uri of a common resource to associate with the message
:requires_acknowledgement:
	optional boolean, default false, if true the message will be marked as requiring acknowledgement


.. code-block:: http

	http POST https://sls-api.sheepcrm.com/messaging/v2/{bucket}/{email|in-app|sms}/ "Authorization: Bearer $API_KEY"
		uris:='["/example/person/5e627c2e49c3a83464f3fb04/","/example/person/5e8c7ec849c3a877afbe4d2d/"]'
		body="Hi {{first_name}}"
		subject="Hello"