var input = [{
  "workflowId": 1,
  "stepId": 1,
  "workflowTypeId": 4,
  "baseFieldId": 3,
  "relatedFieldId": 0,
  "relatedValue": "yes",
  "nextTrueStepId": 2,
  "nextFalseStepId": 4
}, {
  "workflowId": 1,
  "stepId": 2,
  "workflowTypeId": 2,
  "baseFieldId": 4,
  "relatedFieldId": 0,
  "relatedValue": "",
  "nextTrueStepId": 3,
  "nextFalseStepId": 4
}, {
  "workflowId": 1,
  "stepId": 3,
  "workflowTypeId": 9,
  "baseFieldId": 1,
  "relatedFieldId": 0,
  "relatedValue": "SUBMITTED",
  "nextTrueStepId": 4,
  "nextFalseStepId": 0
}]

function findItem3(x) {
	for (i=input.length-1; i>=0; i--) {
		if (input[i].nextTrueStepId === 3) return input[i]
	}
	return {}
}

function findItem2(x) {
  return input.find(item => item.nextTrueStepId === x)
}

function findItem1(x) {
  return input.filter(function(elem){
      return elem.nextTrueStepId===x;
  })
}