Values · Value
Read JSON
Check JSON text and turn a JSON list into a list.
object.from_json
In a flow
“Works out read JSON whenever a step wired to it needs the answer.”
[1, 2] → a list of 1 and 2
What it does
Check JSON text and turn a JSON list into a list. It's a value node: no white pins, it works out its answer when a step wired to it needs it. It gives 3 values later steps can use. Find it under Values in the palette.
When to use it
Use it when a step needs a value worked out first: check JSON text and turn a JSON list into a list.
When not to
For a value that never changes, type it into the setting instead of wiring a node.
Typical wiring
Sockets: settings you can wire
- Text Text
-
Some JSON, like [1, 2, 3] or {"a": 1}, maybe from an HTTP request.
What goes there: Type it in the side panel, or wire in text. e.g. Hello there
If it's empty: Optional. Left empty and unwired, the step runs without it.
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Values it gives
- Is JSON Yes / no
-
True when the text is JSON. e.g. true
If it's empty: Empty when the step didn't make one (it stopped early or was skipped); steps reading it get nothing.
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- Kind Text
-
Object, list, text, number, bool or empty. e.g. Hello there
If it's empty: Empty when the step didn't make one (it stopped early or was skipped); steps reading it get nothing.
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- As a list list:text
-
The items of a JSON list (objects stay JSON text). e.g. Hello there, and more like it
If it's empty: Empty when the step didn't make one (it stopped early or was skipped); steps reading it get nothing.
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