def issueLinkManager = ComponentAccessor.getIssueLinkManager()
def issueLinks = issueLinkManager.getOutwardLinks(issue.getId())
def task = issueLinks.findAll {
    it.getIssueLinkType().getName() == "Оценка"
    }
task.each { i ->
    def cfm = ComponentAccessor.getCustomFieldManager()
	def cf = cfm.getCustomFieldObject('customfield_17551')
	def cfvs = issue.getCustomFieldValue(cf)
	}