When creating a post, Blink has a Priority Feature
Steps:
Go to the Blink app
Select Feed
Select 'Share a post with your team'
Select the Team you want to share this with
For post category, select 'Priority Post' - this will trigger a push notification to everyone in the Team you have selected, and pin this post to the top of their Feed for 5 days
Add text, images, videos, files and rich text formatting
Once ready, select 'Post'
When users have acknowledged your post, you select 'View Acknowledgements' to see who has and has not reviewed your post