Always add user (Tom Thomas) as a watcher on an issue if assignee is (John Johnson) in a certain project, for example project ABC.
Now i only have this code plz help
import com.atlassian.jira.component.ComponentAccessor
def userManager = ComponentAccessor.getUserManager()
def watcherManager = ComponentAccessor.getWatcherManager()
def cfManager = ComponentAccessor.getCustomFieldManager()
def cf = cfManager.getCustomFieldObject((Long) 11111)
def user = userManager.getUserByName("username")
if (issue.getCustomFiledValue(cf).equals("value")){
watcherManager.startWatching(user, issue)
}