| Name | Type | Description | Notes |
|---|---|---|---|
| user_id | str | ||
| url | str | ||
| timestamp | int | ||
| message_type | str | defaults to "FILE" | |
| file_name | str | [optional] | |
| file_size | int | [optional] | |
| file_type | str | [optional] | |
| thumbnails | [MigrateMessagesFileMessageRequestThumbnailsInner] | [optional] | |
| require_auth | bool | [optional] | |
| custom_type | str | [optional] | |
| custom_field | str | [optional] | |
| mentioned_user_ids | [str] | [optional] | |
| dedup_id | str | [optional] | |
| sorted_metaarray | [{str: (bool, date, datetime, dict, float, int, list, str, none_type)}] | [optional] | |
| any string name | bool, date, datetime, dict, float, int, list, str, none_type | any string name can be used but the value must be the correct type | [optional] |