Only valid when type: File or is an array of items: File. Read up to the first 64 KiB of text from the file and place it in the "contents" field of the file object for use by expressions.
See Implementation
Only valid when type: File or is an array of items: File. Read up to the first 64 KiB of text from the file and place it in the "contents" field of the file object for use by expressions.