Listener
[sdks/expressjs/Listener]
Sets up the specified Express server to listen on the specified port. Example:
"my-express-server"@0 received on
app ID
3000@0 received on
port
Express server is started to listen on http//localhost:3000 4/a. In case of success
null@0 sent on
done
"my-express-server"@0 sent on
app iD
4/b. In case of failure{ "code": "EADDRINUSE", "errno": -98, "syscall": "listen", "address": "::", "port": 3000 }@0 sent on
error
Keywords: express, http, server, start
Input ports
app ID:
string
The id of the express instance. Example: "my-express-server"
params:
({"port": number, "host": string} or number)
The port number express should listen to. Example: 3000
Output ports
done:
(null or {"port": number, "hostname": string})
Event triggered when the action has been executed.
error:
{"error": string, "origin": string}
Sends error information in case the specified action could not be successfully executed. Example: { "error": "listen EADDRINUSE: address already in use 127.0.0.1:8080", "origin": "server" }
app ID:
string
DEPRECATED The id of the express instance the action was executed on. Emitted when the action was executed. To be used when chaining multiple actions on the same express instance. Example: "my-express-server"
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