Field Collapsible

Hii All,

can anyone help me for one senerio . I want that to collapsible field 

For Example :

 a!paragraphField(
                  label: "Target",
                  labelPosition: "ABOVE",
                  value: index(local!target,"target",{}),
                  refreshAfter: "UNFOCUS",
                  characterLimit: null,
                  height: "SHORT",
                  readOnly: true,
                  validations: {}
                )

I am using paragraph field for showing data then i want only some of the text only show when I click on the that text then the list of the text will show .

Thanks