JSON Data Format, Parsing, and Serialization
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The SharePoint connector has ready-made actions for items and files, but not for everything, such as creating a list with its columns. Send an HTTP request to SharePoint fills the gap: it calls SharePoint's REST API with your connection. It's part of the standard SharePoint connector, so it needs no premium license. This guide builds a first request that reads a site's title.
Compose holds a value for the rest of the flow: a number, some text, or a whole JSON document. Later actions use it as Outputs. It's the simplest way to keep a flow's settings in one place, and this guide uses it for exactly that.
My flow failed with Invalid JSON. A token was not recognized in the JSON content. The JSON it sent looked fine in the designer. In the run, a false from my data had become False, with a capital F, which isn't JSON. An if() expression fixed it.
JSON (JavaScript Object Notation) is a lightweight data interchange format that's easy for humans to read and write and easy for machines to parse and generate. In Swift, converting strings to JSON objects is a common task, especially when dealing with APIs or data interchange between systems.
