Thanks @eddy.daouk for your reply.
with specific parameters.
This function makes an http request to
with speficic Form data (processInstanceId + activityInstanceId + workflowContext).
(my workflow context):
I assume that I could use
mutation method from GraphQL API instead of old WebService.
But what condition do I have to base on in order to enable/disable visibility of these buttons? Is this flag: