chore: automated commit

docs/column-level-security.md

@@ -2,12 +2,9 @@
 layout: article
 title: Column Level Security
 description: Column Level Security prevents end users from viewing or editing specific columns in SAS according to their group membership.
-og_image:  https://docs.datacontroller.io/img/rls_table.png
+og_image:  https://docs.datacontroller.io/img/cls_table.png
 ---
 
-!!! warning
-    In development - coming soon!
-
 # Column Level Security
 
 Column level security is implemented by mapping _allowed_ columns to a list of SAS groups. In VIEW mode, only allowed columns are visible.  In EDIT mode, allowed columns are _editable_ - the remaining columns are read-only.

docs/dcc-tables.md

@@ -148,10 +148,16 @@ Not required, but recommended.
 For retained / surrogate keys, an auto-incrementing field is used to represent each unique record. In this case, the RK (integer) field itself should be added in the [BUSKEY](#buskey) column, and the natural / underlying key should be added here.
 Leave blank unless using retained / surrogate keys.
 
-### HELPFUL_LINK
+### AUDIT_LIBDS
 
-If more information is available to describe the table being updated (eg on sharepoint), provide a url here and it will be made available to approvers.
-Leave blank if not required.
+If this field is blank (ie empty, missing), **every** change is captured in the [MPE_AUDIT](/tables/mpe_audit.md).  This can result in large data volumes for frequently changing tables.
+
+Alternative options are:
+
+1.  Enter a zero (`0`) to switch off audit logging completely
+2.  Enter a library.dataset reference of an alternative audit table in which to capture the change history.
+
+For option 2, the base table structure can be generated using this macro:  [https://core.sasjs.io/mddl__dc__difftable_8sas_source.html](https://core.sasjs.io/mddl__dc__difftable_8sas_source.html).
 
 
 ## HOOK Scripts

docs/tables/mpe_tables.md

@@ -33,4 +33,4 @@ A more detailed breakdown of the columns / features is available in the [configu
  - `SIGNOFF_HOOK char(200)`: Run SAS code after signoff.  See [config](/dcc-tables/#signoff_hook)
  - `NOTES char(1000)`: Additional notes. See [config](/dcc-tables/#notes)
  - `RK_UNDERLYING char(1000)`: The key on which the retained key is generated. See [config](/dcc-tables/#rk_underlying)
- - `HELPFUL_LINK char(300)`: URL to additional notes about the table. See [config](/dcc-tables/#helpful_link)
+ - `AUDIT_LIBDS char(41)`: Configure alternative audit history tracking tables (or switch off audit history). See [config](/dcc-tables/#audit-libds)