--- title: "Exercise 12: Populate Custom Fields in Catalog" slug: "exercise-12-populate-custom-fields-in-catalog" description: "Training Exercise 12 teaches you the various ways to enrich your data catalog by creating and populating custom fields on your data source." updated: 2024-06-27T17:38:50Z published: 2024-06-27T17:38:50Z canonical: "docs.validatar.com/exercise-12-populate-custom-fields-in-catalog" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.validatar.com/llms.txt > Use this file to discover all available pages before exploring further. # Exercise 12: Populate Custom Fields in Explorer Learning Goals - How do I document and enrich my data catalog? - How do I populate custom fields on tables/columns in bulk? - How do I populate custom fields from a spreadsheet? - How do I populate custom fields from a script? #### Step 1 - Set Individual Custom Field Values Manually - Navigate to the Explorer tab - Open the UAT - Snowflake Data Warehouse - Go to the Schemas tab - Open the RAW schema - Go to the Tables tab - Open your specific table - Go to the Metadata & Discussion tab - Fill out the following fields: - Table Type = Landing Data - Description = "This table is loaded from multiple files and contains information regarding all of our ..." - Subject Area = Select some relevant subject areas - End User Consumable = Decide on whether you think this table should be consumed by end users? - Table Expectations = Row Count should be between X and Y - Row Count: Min = some numeric value - Row Count: Max = a larger numeric value - Business Data Steward = yourself - Technical Data Steward = someone else in the class - Click Save ![image.png](https://cdn.document360.io/a80bc2a3-87d3-4dc2-9244-a16f33ed193c/Images/Documentation/image%2899%29.png) #### Step 2 - Set Multiple Custom Field Values with Bulk Edit - Open the Columns tab of your table - Highlight all the columns that end in "_ID" - Click Bulk Edit and set Column Role to "Business Key" - Click Save - Highlight all of the Created_, Modified_, and Source_ columns - Click Bulk Edit and set Column Role to "System Generated Metadata" - Click Save - Highlight all of the other columns - Click Bulk Edit and set Column Role to "Attribute" - Click Save - Highlight all of the columns with identifiable information like Name, Address, Street, Email, Phone etc. - Click Bulk Edit and set Sensitivity Level to "High" - Click Save ![image.png](https://cdn.document360.io/a80bc2a3-87d3-4dc2-9244-a16f33ed193c/Images/Documentation/image%28100%29.png)