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The delete keys processing rule deletes a specified key and its associated value from every record that passes through your pipeline.

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Configuration parameters

Use the parameters in this section to configure the . The Telemetry Pipeline web interface uses the items in the Name column to describe these parameters. Pipeline configuration files use the items in the Key column as YAML keys.
NameKeyDescriptionDefault
KeykeyRequired. The key to delete from your records. You can use record accessor syntax to reference keys nested within another object.none
CommentcommentA custom note or description of the rule’s function. This text is displayed next to the rule’s name in the Actions list in the processing rules interface.none

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Example

Using the block keys rule lets you pare down telemetry data by eliminating key/value pairs you don’t want to keep. For example, given the following sample website log data: 
{"timestamp":"2023-03-28T09:08:41.64283645Z","user_id":3,"page_id":30,"action":"purchase"}
{"timestamp":"2023-03-28T09:08:42.643343109Z","user_id":4,"page_id":10,"action":"purchase"}
{"timestamp":"2023-03-28T09:08:48.643600498Z","user_id":1,"page_id":50,"action":"click"}
{"timestamp":"2023-03-28T09:08:50.643773688Z","user_id":5,"page_id":40,"action":"purchase"}
{"timestamp":"2023-03-28T09:08:51.643932272Z","user_id":1,"page_id":30,"action":"purchase"}
{"timestamp":"2023-03-28T09:08:56.644080944Z","user_id":2,"page_id":40,"action":"click"}
{"timestamp":"2023-03-28T09:09:03.64425954Z","user_id":3,"page_id":30,"action":"click"}
{"timestamp":"2023-03-28T09:09:03.644317046Z","user_id":1,"page_id":20,"action":"view"}
{"timestamp":"2023-03-28T09:09:10.64447719Z","user_id":2,"page_id":50,"action":"purchase"}
{"timestamp":"2023-03-28T09:09:17.644810963Z","user_id":2,"page_id":10,"action":"view"}
{"timestamp":"2023-03-28T09:09:20.644994805Z","user_id":1,"page_id":50,"action":"view"}
A processing rule with the Key value user_id returns the following result: 
{"timestamp":"2023-03-28T09:08:41.64283645Z","action":"purchase","page_id":30}
{"timestamp":"2023-03-28T09:08:42.643343109Z","action":"purchase","page_id":10}
{"timestamp":"2023-03-28T09:08:48.643600498Z","action":"click","page_id":50}
{"timestamp":"2023-03-28T09:08:50.643773688Z","action":"purchase","page_id":40}
{"timestamp":"2023-03-28T09:08:51.643932272Z","action":"purchase","page_id":30}
{"timestamp":"2023-03-28T09:08:56.644080944Z","action":"click","page_id":40}
{"timestamp":"2023-03-28T09:09:03.64425954Z","action":"click","page_id":30}
{"timestamp":"2023-03-28T09:09:03.644317046Z","action":"view","page_id":20}
{"timestamp":"2023-03-28T09:09:10.64447719Z","action":"purchase","page_id":50}
{"timestamp":"2023-03-28T09:09:17.644810963Z","action":"view","page_id":10}
{"timestamp":"2023-03-28T09:09:20.644994805Z","action":"view","page_id":50}
This rule removed the user_id key and its associated values from each log entry.