node red send
The function can either return the messages it wants to pass on to the next nodes in the flow, or can call node.send(messages) . It can return/send: a single ... ,2019年7月18日 — To send multiple messages out of a single output port you need to double wrap the messages in square brackets. return [[msg1,msg2]]. ,2022年11月29日 — This example shows how to send multiple message, but on the same output, from a single function node. ,2023年10月24日 — I am trying to trigger a function node from another custom function node that does not have an output option. ,2024年6月6日 — Learn how to send and receive emails using Node-RED, along with best practices for sending email notifications. ,,A Node-RED flow works by passing messages between nodes. The messages are simple JavaScript objects that can have any set of properties. ,send() function, passing in the message(s) to be sent. It takes the same arrangement of messages as that can be returned, as described in the previous sections. ,如果函数需要在发出消息前执行一个异步动作，那么就无法在其结束的部分立即返回消息。 解决的办法是，利用 node.send() 函数，将传入的消息发送出去。比如：.
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 node red send 相關參考資料
Function - node-red
The function can either return the messages it wants to pass on to the next nodes in the flow, or can call node.send(messages) . It can return/send: a single ... https://flowfuse.com Node-RED Sending multiple msg only returning first msg
2019年7月18日 — To send multiple messages out of a single output port you need to double wrap the messages in square brackets. return [[msg1,msg2]]. https://stackoverflow.com Node-RED: Lecture 6 - Example 6.8 Letting a function ...
2022年11月29日 — This example shows how to send multiple message, but on the same output, from a single function node. https://noderedguide.com Send a message from a custom function node without ...
2023年10月24日 — I am trying to trigger a function node from another custom function node that does not have an output option. https://discourse.nodered.org Sending and receiving emails with Node-RED - notification
2024年6月6日 — Learn how to send and receive emails using Node-RED, along with best practices for sending email notifications. https://flowfuse.com Sending emails from Node-RED
https://www.youtube.com Working with messages
A Node-RED flow works by passing messages between nodes. The messages are simple JavaScript objects that can have any set of properties. https://nodered.org Writing Functions
send() function, passing in the message(s) to be sent. It takes the same arrangement of messages as that can be returned, as described in the previous sections. https://nodered.org 编写函数
如果函数需要在发出消息前执行一个异步动作，那么就无法在其结束的部分立即返回消息。 解决的办法是，利用 node.send() 函数，将传入的消息发送出去。比如：. https://nodered.17coding.net |