UNO R4 wifi using CAN bus

if an event triggers a CAN msg to be sent, would the receipt of the msg confirm the event?
If so, no matter what format the msg is in HEX or gobbledygook it can be used as a trigger for other action(s).
Or what?
Thanks,
Chris

It depends on your configuration and software. Simply stated, yes, if it were a specific message, but…

When CAN sends a message, it must be acknowledged by another unit on the bus, confirming the message has been sent but not verifying its contents. If there are only two units, one sending and one receiving, this would confirm receipt of the message. However, if there are more units, your communication protocol must handle message confirmation.

Additionally, receiving a message can trigger other actions, such as waking up from sleep. CAN has no knowledge of what is in the message or what format it is in, It does not care.

If this does not answer your question re write it in a more understandable format explaining what you want

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