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+# Discussion on metadata needed for dandidav
+
+Submitted as a PR to avoid spaghetti thread discussion on https://github.com/dandi/dandi-archive/issues/1837#issuecomment-1921864949
+
+
+@jwodder listed needed properties and metadata fields:
+
+* Asset properties used by dandidav:
+    * `asset_id` (PRESENT)
+    * `blob_id`
+    * `zarr_id`
+    * `path` (PRESENT)
+    * `size`  (PRESENT)
+    * `created` (GOOD TO HAVE)
+    * `modified` (SUGGESTED to be included)
+        * Note: It might be more accurate to use the `blobDateModified` metadata field for this instead; cf. dandi/dandidav#17
+
+* Asset metadata used by dandidav:
+    * `encodingFormat` (blobs only) (STRONGLY DESIRED but not REQUIRED)
+    * `contentUrl` (API download URL for blobs, S3 URL for Zarrs) (INCLUDED)
+    * `digest["dandi:dandi-etag"]` (blobs only)