diff --git a/docs/8.0/ayanova/docs/ay-start-form-data-tables.md b/docs/8.0/ayanova/docs/ay-start-form-data-tables.md
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--- a/docs/8.0/ayanova/docs/ay-start-form-data-tables.md
+++ b/docs/8.0/ayanova/docs/ay-start-form-data-tables.md
@@ -87,7 +87,13 @@ Select the filter you wish to delete then click on the edit icon to the left of
 
 #### Column selector
 
-TODO: fill in here, do not change this title without chaging at the cilent end as well.
+Use the column selector button ![data table column selector button](img/form-data-table-column-selector-button.png) to open the colum selector interface:
+
+![data table column selector](img/form-data-table-column-selector.png)
+
+Here you can select which columns will be displayed in the data table and in which order.
+
+There is a `reset to default` option available from the menu in this form to reset the selections back to the default for this form.
 
 ##### Filtered hidden columns indicator
 
diff --git a/docs/8.0/ayanova/docs/img/form-data-table-column-selector-button.png b/docs/8.0/ayanova/docs/img/form-data-table-column-selector-button.png
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diff --git a/docs/8.0/ayanova/docs/img/form-data-table-column-selector.png b/docs/8.0/ayanova/docs/img/form-data-table-column-selector.png
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