{"command":{"effect":"write","timeoutSeconds":30,"inputSchema":{"type":"object","description":"**This endpoint allows you to update your current settings for subscription tracking.**\n\nSubscription tracking adds links to the bottom of your emails that allows your recipients to subscribe to, or unsubscribe from, your emails.","properties":{"headers":{"type":"object","properties":{"on-behalf-of":{"type":"string","description":"The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You will use the parent account's API key when using this header. When making a call on behalf of a customer account, the property value should be \"account-id\" followed by the customer account's ID (e.g., `on-behalf-of: account-id <account-id>`). When making a call on behalf of a Subuser, the property value should be the Subuser's username (e.g., `on-behalf-of: <subuser-username>`). See [**On Behalf Of**](https://docs.sendgrid.com/api-reference/how-to-use-the-sendgrid-v3-api/on-behalf-of) for more information."}},"required":[],"additionalProperties":false},"body":{"$ref":"#/definitions/SubscriptionTrackingSettings"}},"required":[],"additionalProperties":false,"definitions":{"SubscriptionTrackingSettings":{"title":"Settings: Subscription Tracking","type":"object","properties":{"enabled":{"type":"boolean","description":"Indicates if subscription tracking is enabled."},"html_content":{"type":"string","description":"The information and HTML for your unsubscribe link. "},"landing":{"type":"string","description":"The HTML that will be displayed on the page that your customers will see after clicking unsubscribe, hosted on SendGrid’s server."},"plain_content":{"type":"string","description":"The information in plain text for your unsubscribe link. You should have the “<% %>” tag in your content, otherwise the user will have no URL for unsubscribing."},"replace":{"type":"string","description":"Your custom defined replacement tag for your templates. Use this tag to place your unsubscribe content anywhere in your emailtemplate."},"url":{"type":"string","description":"The URL where you would like your users sent to unsubscribe.","format":"uri"}}}}},"name":"Update Subscription Tracking Settings","id":"sendgrid.tracking_settings.updatesubscriptiontrackingsetting","example":{},"maxRequests":1,"summary":false}}