Why Some Nodes Have Buttons

In this quick tutorial, we will cover Why Some Nodes Have Buttons. These buttons allow manual interaction with the node from within the editor.

In this video, we will cover:

• Launching Node-RED in your terminal
• What these node buttons allow
• What isn’t required

Prerequisite

• A Catenis Development or Production account
• Node-RED installed on either a local or cloud environment
• Catenis Flow Pallet installed on Node-RED
• Basic understanding of how to use Node-RED

You are all set to move on to the other videos in this tutorial series.

After watching Why Some Nodes Have Buttons, watch the next video, Understanding the Debug Sidebar, to further expand your knowledge.

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Links from this video for easy access:

• Getting Help for Catenis Flow Nodes: https://blockchainofthings.com/tutorials/get-help-for-catenis-flow-nodes
• Understanding the Debug Sidebar: https://blockchainofthings.com/tutorials/understand-debug-sidebar

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Hi, this is Clara for Blockchain of Things.

Today, we will explain why some nodes have
buttons and others do not.

If you are running Node-RED locally on your Mac or PC, first, open your terminal and launch Node-RED.

Copy the server address and paste it into your browser.

Some nodes include a button on the left or right edge of the node. These buttons allow manual interaction with the node from within the editor and don’t require data to be passed to them.

The Inject and Debug Nodes are examples of common interactive nodes that have buttons.

These buttons allow the user to manually trigger events after deployment of the flow. The Catenis Flow Palette includes both interactive and non-interactive nodes.
For example, the List Messages Node seen here has a button. While the Transfer Asset Node does not.

Our next video will dive into the Debug Sidebar.

A critical tool for understanding what your flow is doing at RunTime.

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