Json Response in Static Format in Angular

 findDaysInverstoryOutstanding(event)

  {

 

    this.flipFrontShow = false;

    this.flipFrontBack = true;

    let DaysInverstoryOutstanding = this.getPayload(this.daysinventoryForm.value);

    console.log(DaysInverstoryOutstanding);

    event.srcElement.firstChild.childNodes[0].classList.add("flip-card-rotate");

    this._dashboardService.filterInventoryDaysOutstanding(DaysInverstoryOutstanding, res =>{

      //res = [{days:123.4, total_value : 140008999}];

      this.inventoryOutStandingDate = res[0];

      });

  }