Post UI mockups from Slack.
Add MockFlow WireframePro to your Slack account.Follow the below steps on how to install, draw and share wireframes in Slack.
Use /wireframepro command to draw UI wireframes.
To start drawing wireframes, enter the command /wireframepro name-of-the-wireframe. After this command is executed you will receive a private Slack message with a link to the WireframePro Editor.

Open editor to draw wireframe.
When the editor opens for the first time, it will ask you to connect your MockFlow account with Slack. If you do not have a MockFlow account, you can sign up for a free Basic Plan in the same page and connect to the editor.
In the editor, select the type of UI you want to draw. WireframePro provides components for a wide range of UI types such as iOS, Android, Web, Bootstrap, Material, WatchOS, Windows, MacOS etc.

Post wireframe image back to Slack.
After drawing, you can directly post the wireframe in image format back to the same Slack channel automagically.

Your wireframes stay in MockFlow.
The wireframes that you create will be also available in your MockFlow.com account for later editing and collaboration.