ThingSpeak.writeField Write key


I am trying to send data to a channel using thingspeak writefield and I keep getting an error no matching function... On reading the documents I am having a problem with "Write key". I can find no info on write key. what is it?
Christopher Stapels
Christopher Stapels le 13 Déc 2022
Log into thingSpeak, go to my channels, select your channel and then click the API keys tab.
See this page in the doc.
Mckenzie Gibson
Mckenzie Gibson le 14 Déc 2022
Syntax
The above is taken from Thingspeak docs. The fourth item in the package is Wwrite key" That is the issue. Any help will be appreciated
Christopher Stapels
Christopher Stapels le 14 Déc 2022
Log into thingSpeak, go to my channels, select your channel and then click the API keys tab.
See this page in the doc.