Example field used for adding data to the options object for a file selected from the files array. In this example, index 0 is used for the first file in the array. However, you can use any index that corresponds to the file in the files array that you are submitting.
The labelIds field is an array of strings representing label IDs for the file.
Example of passing labelIds for the first file
'options[0].labelIds': '63ca97b71da7c1618788eeb8' 'options[0].labelIds': '63ca97b71da7c1618788eeb9'
Ids of labels to assign to specific document.