Required arguments are displayed in %{background:#ccffcc}green%.
+h2. Creation
-h2. create
+Any user may create Log entries for any event they find useful. User-generated Logs have no intrinsic meaning to other users or to the Arvados system itself; it is up to each user to choose appropriate log event types and summaries for their project.
+
+h3. System Logs
+
+Arvados uses Logs to record creation, deletion, and updates of other Arvados resources.
+
+h2. Resource
+
+Each Log has, in addition to the usual "attributes of Arvados resources":{{site.baseurl}}/api/resources.html:
+
+table(table table-bordered table-condensed).
+|_. Attribute|_. Type|_. Description|_. Example|
+|object_uuid|string|||
+|event_at|datetime|||
+|event_type|string|A user-defined category or type for this event.|@LOGIN@|
+|summary|text|||
+|properties|hash|||
+
+h2. Methods
+
+h3. create
Create a new log entry.
|_. Argument |_. Type |_. Description |_. Location |_. Example |
|log|object||query||
-h2. delete
+h3. delete
Delete an existing log entry. This method can only be used by privileged (system administrator) users.
|_. Argument |_. Type |_. Description |_. Location |_. Example |
{background:#ccffcc}.|uuid|string|The UUID of the log entry in question.|path||
-h2. get
+h3. get
Retrieve a log entry.
|_. Argument |_. Type |_. Description |_. Location |_. Example |
{background:#ccffcc}.|uuid|string|The UUID of the log entry in question.|path||
-h2. list
+h3. list
List log entries.
|order|string|Order in which to return matching log entries.|query||
|filters|array|Conditions for filtering log entries.|query||
-h2. update
+h3. update
Update attributes of an existing log entry. This method can only be used by privileged (system administrator) users.