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The subscriptions which we will create to enable this pico to pico communication are shown as dashed magenta lines. (This diagram is available at localhost:8080/?subscr )
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Very soon, the ability to manage subscriptions will be built-in to every pico. Right now, you will need to install the ruleset with RID "Subscriptions" into the three picos which will participate in subscriptions. This can be done in the Rulesets tab of each pico, by clicking on the "install ruleset" button beside the dropdown when it shows "Subscriptions". The "Subscriptions" ruleset is automatically registered in the pico engine during start-up, because it exists (in a file named "io.picolabs.subscriptions.krl") in the folder name "krl". However, it is not automatically installed in any pico. Soon, it will be. |
Since most of the heavy lifting is done by the Subscriptions ruleset, it is easy to initiate, approve, and use subscriptions inside of your own rulesets.
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