# Workflow Action: Set Contact DND In this article, you will learn more about the Set Contact DND action. This action will allow you to set your contact to DND, which stands for Do Not Disturb. Some case use examples: Used if they have replied with an opt-out word, if the email sent has bounced, or if they submit an unsubscribe form. **What you will need:** * A workflow **Step 1: Edit or create a workflow** * Make sure you have edited or created the workflow and that it has the proper trigger and action steps needed * Add the action step Set Contact DND **Step 2: Activating DND** * You have the option to enable DND for all channels (this will stop all communication) or just from one channel (it will stop communication only from this channel). {% embed url="" %} **Note:** You will also have the option to disable DND. The contact will need to be marked as DND before doing this action. * Once your workflow is ready to go, publish it and save. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://software-help-docs.gitbook.io/knowledge-base/software-guide/workflow-actions/workflow-action-set-contact-dnd.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.