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After creating default custom parameters, you may need to update or remove values. The following sections explain how to edit and delete default custom parameters.
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## Edit default custom parameters
Edit Custom Parameter panel
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Use the following steps to edit existing defaul custom parameters:
Click the gear icon next to your name **> Properties**.
Click the name of the property in which your default custom parameters are set.
Click the **Custom Parameters** tab.
Locate and hover over the row of the custom parameter.
Click the More menu icon at the end of the row.
Click **Edit**. The **Edit Custom Parameter** slide out appears.
Click **Add Custom Parameter**. A pop-up window appears.
If the **Template Type** of the custom parameter is **Empty text field**, enter a new **Default Value (optional)**. Leave this text box blank if you do not want to set a default value.<br /><br />If the **Template Type** of the custom parameter is **List of pre-defined options**, you can make one of three types of edits:
Click within a **Values** text field and edit a value.
Click **+ Add** to add more options.
Hover over a Values text field and click the trash can icon to delete the option. <br /><br />
Select whether the new custom parameter is **Required** or not.
Click **Save**. The custom parameter key and its new values appear in the table.
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All videos that are **newly** uploaded or registered through your dashboard for this property will have your defined custom parameters applied. These can be seen under the **Custom Parameters** section of the **METADATA** tab.
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## Delete default custom parameters
Deleting a default custom parameter is permanent.
If you are a developer or have developer resources, you can use the Management API to [delete default custom parameters](🔗) from a media item.
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In situations when you no longer need a default custom parameter or you need to make room for additional default custom parameters, you need to be able to remove one or multiple default custom parameters.
Use the following steps to delete a default custom parameter:
Click the gear icon next to your name **> Properties**.
Click the name of the property in which you want to delete default custom parameters.
Click the **Custom Parameters** tab.
Locate and hover over the row of the custom parameter.
Click the More menu icon at the end of the row.
Click **Delete**.
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## FAQs
<details><summary><strong>What happens if a default custom parameter is deleted?</strong></summary>
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After you delete a default custom parameter, the following statements are all applicable:
The deleted parameter will not be added to new media.
The deleted default custom parameter **will not** be removed from existing media.
You can manually [add this custom parameter](🔗) to any video.
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</details>
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