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→Les noeuds de fonction
| align="center" | Nom de Noeud
| align="center" | Nom de Noeud
| align="center" | Description
| align="center" | Description
|- style="font-size: 90%"
|- style="font-size: 90%"
| align="left" | function
| align="left" | function
| align="left" | range
| align="left" | range
| align="left" | A simple scaling node that will map numerical input to a new output. Useful for converting or bounding ranges of input values, e.g. temperature. Undefined for non-numeric data.
| align="left" | A simple scaling node that will map numerical input to a new output. Useful for converting or bounding ranges of input values, e.g. temperature. Undefined for non-numeric data.
|}
{| class="wikitable" border="1"
|-
| align="center" | Nom de Noeud
| align="center" | Description
|- style="font-size: 90%"
|- style="font-size: 90%"
| align="left" | csv
| align="left" | This node parses msg.payload and tries to convert to/from CSV. If it receives a string, it outputs a JavaScript object, and if it receives a JavaScript object, it outputs a CSV string.
|- style="font-size: 90%"
| align="left" | html
| align="left" | Extracts elements from an html document in msg.payload using a configurable selector (CSS selector syntax). Essentially allows you to parse out the HTML and returns an array of the elements that match.
|- style="font-size: 90%"
| align="left" | json
| align="left" | This node converts to/from a JSON object. If it receives a JavaScript object, it outputs JSON, and if it receives JSON, it outputs a JavaScript object.
|- style="font-size: 90%"
| align="left" | xml
| align="left" | This node converts to/from XML format. If it receives a JavaScript object, it outputs an XML string, and if it receives an XML string, it outputs a JavaScript object.
|- style="font-size: 90%"
| align="left" | rbe
| align="left" | Report By Exception node. Generates a message only when its input is different from the previous input (string or number) or if the input has changed by a configurable amount (deadband mode) – only for numbers.
|}
== Les noeuds sociaux ==
The basic social media nodes support interaction with email and with Twitter. They enable flows to send or receive email, or to send or receives tweets.
{| class="wikitable" border="1"
|-
| align="center" | Nom de Noeud
| align="center" | Description
|- style="font-size: 90%"
| align="left" | xx
| align="left" | xx
|- style="font-size: 90%"
| align="left" | email in
| align="left" | Can be configured to repeatedly read from an IMAP server returning new email as it arrives. Sets msg.topic to email subject and either msg.payload to email text body or msg.html if the email is HTML.
|- style="font-size: 90%"
| align="left" | twitter in
| align="left" | Returns tweets as messages. Can be used to search the public or a user’s stream for tweets containing the configured search term or all tweets by specific users or direct messages received by the authenticated user.
|- style="font-size: 90%"
| align="left" | email out
| align="left" | Sends the incoming message as an email via the configured IMAP server. Topic and recipient all configurable. Will convert binary data to an attachment.
|- style="font-size: 90%"
| align="left" | twitter out
| align="left" | Tweets the msg.payload on the configured account. Can send direct messages and will send binary data as an image.
|}
|}
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