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DOCS-610 - Rule tuning expression updates (#4987)
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docs/cse/get-started-with-cloud-siem/intro-for-analysts.md

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@@ -303,8 +303,8 @@ If you do decide to write a custom rule, insight, or rule tuning expression, the
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You're updating some of the firewalls in your system, and you don't want to trigger unnecessary alerts. Write a rule tuning expression that will allow yourself to bypass firewall-related rules.
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1. [**Classic UI**](/docs/get-started/sumo-logic-ui-classic). In the top menu select **Content > Rule Tuning**. <br/>[**New UI**](/docs/get-started/sumo-logic-ui). In the main Sumo Logic menu, select **Cloud SIEM > Rule Tuning**. You can also click the **Go To...** menu at the top of the screen and select **Rule Tuning**.
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1. On the **Rule Tuning** page, click **Create**.
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1. [**Classic UI**](/docs/get-started/sumo-logic-ui-classic). In the main Sumo Logic menu, select **Cloud SIEM**. Then in the top menu, select **Content > Rule Tuning**. <br/>[**New UI**](/docs/get-started/sumo-logic-ui). In the main Sumo Logic menu, select **Cloud SIEM > Rule Tuning**. You can also click the **Go To...** menu at the top of the screen and select **Rule Tuning**.
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1. On the **Rule Tuning** page, click **Add Rule Tuning Expression**.
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1. Name your rule tuning expression.
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1. **Tune selected Rules** should be selected by default.
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1. Use the **Type to add a Rule** search bar to find rules to add your expression to.

docs/cse/rules/about-cse-rules.md

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Rule tuning expressions allow you to tailor the logic of a built-in rule without replicating and modifying the rule. The benefit of using a tuning expression, over the copy and edit method, is that when Cloud SIEM updates built-in rules, your tuning expressions are preserved. This division of logic means that you don’t need to create as many custom rules. If you use tuning expressions in combination with multi-entity rules you’ll further reduce the need for custom rules.   
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You create tuning expressions on the **Rule Tuning** page, which is available from the **Content** menu. When you create a tuning expression, you have the option of applying to all of your rules, or to selected rules. Or, you can apply tuning expressions when you create a rule. You can apply multiple tuning expressions to a rule. You can assign a tuning expression to selected rules, or to all of your rules. You can also create a tuning expression without immediately assigning it to any rules. For more information, see [Rule Tuning Expressions](/docs/cse/rules/rule-tuning-expressions).
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You create tuning expressions on the **Rule Tuning** page. When you create a tuning expression, you have the option of applying to all of your rules, or to selected rules. Or, you can apply tuning expressions when you create a rule. You can apply multiple tuning expressions to a rule. You can assign a tuning expression to selected rules, or to all of your rules. You can also create a tuning expression without immediately assigning it to any rules. For more information, see [Rule Tuning Expressions](/docs/cse/rules/rule-tuning-expressions).
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## "On Entity" configuration
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docs/cse/rules/rule-tuning-expressions.md

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## Create a tuning expression
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1. [**Classic UI**](/docs/get-started/sumo-logic-ui-classic). In the top menu select **Content > Rule Tuning**. <br/>[**New UI**](/docs/get-started/sumo-logic-ui). In the main Sumo Logic menu, select **Cloud SIEM > Rule Tuning**. You can also click the **Go To...** menu at the top of the screen and select **Rule Tuning**.
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1. On the **Rule Tuning** page, click **Create**.
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1. [**Classic UI**](/docs/get-started/sumo-logic-ui-classic). In the main Sumo Logic menu, select **Cloud SIEM**. Then in the top menu select **Content > Rule Tuning**. <br/>[**New UI**](/docs/get-started/sumo-logic-ui). In the main Sumo Logic menu, select **Cloud SIEM > Rule Tuning**. You can also click the **Go To...** menu at the top of the screen and select **Rule Tuning**.
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1. On the **Rule Tuning** page, click **Add Rule Tuning Expression**.
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1. The **New Rule Tuning Expression** page appears.
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<br/><img src={useBaseUrl('img/cse/annotated-expression.png')} alt="Annotated expression" style={{border: '1px solid gray'}} width="800"/>
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<br/><img src={useBaseUrl('img/cse/annotated-expression.png')} alt="Empty screen to create a rule tuning expression" style={{border: '1px solid gray'}} width="800"/>
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1. **Name**. Enter a name for the tuning expression. 
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1. **Description**. Enter a description of the tuning expression.
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1. In the **Tune [selected|all] Rules** section:
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When you create a tuning expression it is enabled by default. If you disable a tuning expression, rules that it is applied to will behave as if the tuning expression does not exist. 
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You can toggle the enablement state of a tuning expression on the **Rule Tuning** page using the control to the left of the delete icon.
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<img src={useBaseUrl('img/cse/enable-on-list.png')} alt="Enable on list page" style={{border: '1px solid gray'}} width="600"/>
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<img src={useBaseUrl('img/cse/enable-on-list.png')} alt="Enable on list page" style={{border: '1px solid gray'}} width="800"/>
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You can also toggle the enablement state on the details page for a tuning expression.
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<img src={useBaseUrl('img/cse/enable-on-details.png')} alt="Enable on details page" style={{border: '1px solid gray'}} width="800"/>
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You can toggle the enablement state on the details page for a tuning expression.
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<img src={useBaseUrl('img/cse/enable-on-details.png')} alt="Enable on details page" style={{border: '1px solid gray'}} width="600"/>
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## Testing tuning expressions
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static/img/cse/enable-on-list.png

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