code: function syncCurrentBackendInfo(projectInfo, backendDetails, awsDetails, callback){
      let appsyncInfo = appsyncManager.getAppSyncInfo(projectInfo.ProjectPath)
      if(appsyncInfo && appsyncInfo.apiId){
          return appsyncRetrieve.run(projectInfo, awsDetails).then(()=>{
              if(callback){
                  callback()
              }
          })
      }else{
          if(callback){
              callback()
          }
      }
  }
docs: ////////////////// sync backend project ////////////////////