FTL Code:

carrierDispute: {
  infoId: "${fmbInfo.infoId}",
  title: "${mbInfo.title}",
  brief: "${mbInfo.brief}",
  content: "${mbInfo.content}",
  addAttachmentList:[]  // mbInfo.addAttachmengList  ArrayList 
}

other properties can be displayed through title: "${mbInfo.title}", but how to display the addAttachmentList in it? If you write ${mbInfo.addAttachmengList} directly, you will get an error.

addAttachmentList is as follows: