Streams
Introduction
Stream app lets user to manipulate incoming event to MADS’s by creating pipelines. Stream app uses various action node to perform different operations.
Look out for this icon for the Streams app.

You can find it in the appbar as shown below.

Click on this icon to launch streams app. When streams app open, Home
tab will be selected.

In streams app there is sidebar menu with following icon.

Logic Chains
Logic chain is where we create pipelines for projects using action nodes. On clicking this menu we will see projects in the org as follows

When we select a project we will see all the pipelines of the project as follows.

Whenever a new project is created we will have a default pipeline already created for project. We will see how to modify the pipeline in Modify Pipeline.