GetSequenceNumber

POST /wopi/files/(file_id)

The GetSequenceNumber operation retrieves the sequence number of the file on the host.

Parameters

• file_id (string) – Required. A string that specifies the file ID of a file managed by the host. This string must be URL safe.

Query parameters

• access_token (string) – Required. An access token that the host uses to determine whether the request is authorized.

Request headers

• X-WOPI-Override (string) – Required. The string is GET_SEQUENCE_NUMBER.

Response headers

• X-WOPI-SequenceNumber (integer) – Required. An integer value that indicates the latest state of the file on the host. The value should be greater than 0, and should be increased if the host file is updated.
• X-WOPI-FailureReason (string) – Optional. Used for logging purposes only. It should be set on non-200 OK responses.

Status codes

• 200 OK – Success.
• 401 Unauthorized – Invalid access token.
• 404 Not Found – Resource not found/user unauthorized.
• 500 Internal Server Error – Server error.
• 501 Not Implemented – Operation not supported.

Next steps

File content data model