This is called during the delete process prior to the actual delete.
Edit Issue screen
public String ucEditPreDelete ( Problem pProblem, // the problem object ArrayList pAttachments, // the list of attachments ArrayList pInterestList, // the interest list ArrayList pReleases, // the list of release ArrayList pModules, // the list of modules ArrayList pUdfs, // the list of udfs SesameSession session, // current session ProblemFormParam pfp) // values of from the form
It can return an error message to halt the process with an error condition, and its typical use is to prevent the deletion of an issue if a child issue exists.