curl --location --request POST 'http://jira.local:8080/jira/rest//rest/api/3/workflow/transitions//properties?key=&workflowName=' \
--header 'Content-Type: application/json' \
--data-raw '{
"value": "createissue"
}'
{"key":"jira.i18n.title","value":"some.title","id":"jira.i18n.title"}
key
defined in the request body.