JSONQuery for Unreal
Adds nodes for Blueprint communication with servers using JSON.
You can clone this repo to your computer and compile it with your project or download a ZIP from the releases page with the binaries. Current Unreal Engine supported version is 4.19.2
- Close the Project.
- Create a folder named Plugins in your project folder (if there isn't one).
- Copy the folder JSONQuery into your Plugins folder.
- Launch the project.
To send data to a server/web-service
- Use the
CreateJSONnode to get a new JSON object.
- Pull a line from this node and add the Key/Values you want with the
- Always pull the next line from the last Add node. If you pull the line from the CreateJSON node everytime, you'll be adding each Key/Value to a different JSON object.
- After the last Add node, pull a line from it's Return Value and call
PostJSONRequestwith the URL.
- If you want to know when the request was completed, pull another line and call
To get data from a server/web-service
- Use the
GetJSONRequestnode with the URL.
- Pull a line from this node's Return Value and call
- From the resulting event you can get the answer from the server using the JSON variable.
In the releases ZIP files you'll find a Samples folder with an advanced Blueprint example as well as a PHP script for reading the JSON in the server.
The plugin will always display the received answer from the server on the Output Log window. Even if it's not a valid JSON, in which case it'll be highlighted in red.
If you don't have the Output Log window opened, find it on Window > Developer Tools > Output Log.
I strongly advice you to go to the forum thread for help, as it's already filled with people using the plugin and helping each other.