Create business process with Service task (or custom wid for example from this repo Use instruction how to set it up from here: Instruction is for older version of business central, but steps are same Set custom value like ~`!@#$%^&*()_+=-{}|][:";'?><,./ for any input variable Build, deploy and start process. Actual Result: In server log you will see some encoded symbols instead of typed symbols Expected Result: Printed to server log value will be equal to string you putted to variable value.