Escape JSON chars in URL or body
JSON escapes special chart into this format; \u00E5 \u00E4 \u00F6
To escape them you can use a Groovu variable to UTF-8 encode
Click on Variables
Click on the tab Groovy variable
Paste in the script below
Change the custom field variable to the id of your system
Name it to access it as a variable in the body or URL.
Enable it for the action(s) that shall use the script
Example usage
IQL with custom field that contains the name which could have special chars in it.