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Specifications of an onCore Unit

• Units have attributes which can be modified by the user or other Units.
• Units can exchange data via cables Cables. Think of them as small 'tunnels' where data can travel between the Units.
• Cables are usually connected/disconnected by the user, but there are also situations where cables Cables between Units are automatically re-created.
• On the right and/or left side of each Unit there are small circles and triangles. These are the connection points of cables Cables and they are called Trigger Ports, Input Ports and Output Ports.

Simplified Example of an onCore Unit

• On the left is a very simple example of a Unit. It just adds two numbers and provides the result.
• Trigger Ports are omitted in this example, they are explained in the chapter → Unit Triggers & Events.

There are three types of Ports:

1. Trigger Port: Trigger the execution of the Unit (= Execute Trigger) or the next Unit which is connected to the outgoing Trigger (= Complete Trigger). See chapter → Unit Triggers & Events.
2. Input Port: These Ports accept data from the User or other Units. They can also represent the attributes of a Unit. Not all Input Ports can be modified by the User, some of them only accept data from other Units as their input, i.e. a cable Cable has to be connected to them (for example Structure-based Units). See chapter → Unit Attributes.
3. Output Port: These Ports output data and may be connected to other Units.