How Upload data from Electron to Cloud

[ScruffR]

Hmm, how about this

https://docs.particle.io/reference/firmware/photon/#particle-publish-

// SYNTAX
Particle.publish(const char *eventName, const char *data);
Particle.publish(String eventName, String data);

// EXAMPLE USAGE
Particle.publish("temperature", "19 F");

Or any of the threads findable via the search feature with thingspeak as search term
https://community.particle.io/search?q=thingspeak