> For the complete documentation index, see [llms.txt](https://guide.plusai.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.plusai.com/other/live-snapshots/snapshot-integrations/app-for-slack/app-for-slack-faqs.md). # App for Slack: FAQs ### **Does the preview image update automatically?** No, Slack does not allow us to automatically update the preview image. Plus will show you the latest version at the time the message was sent. In public channels, you can click on **Resend latest version** which will fetch the latest version of the Snapshot or Page and send a new message in the same channel. You can also set up a [recurring subscription](/other/live-snapshots/snapshot-integrations/app-for-slack.md#slack-subscription) for Snapshots. ### **What types of Plus links will generate previews?** The Plus app looks for URLs of Snapshots and Pages where the link sharing permission is set to "Anyone with the link can see this." If share link is not enabled, you will receive a message in Slack that prompts you to update the permission setting. ### **Who sees the preview images?** Anyone in your workspace will see the preview images, even if they don't have a Plus account. In order to access other options (like refreshing the Snapshot in Plus or creating a subscription), they will need to install the app and connect their Plus account. ### What can I create a subscription for? Currently, you can create subscriptions for Snapshots in public channels. If you'd like to create a subscription for a Page or set up a subscription in private channels or DMs, [let us know](/help/contact-us.md). --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation by asking a question. Perform an HTTP GET request on the following URL with the `ask` and `goal` query parameters: ``` GET https://guide.plusai.com/other/live-snapshots/snapshot-integrations/app-for-slack/app-for-slack-faqs.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is what the user is ultimately trying to achieve, the reason they need the answer. Sharing it helps GitBook give you a better, more relevant answer. A goal is most helpful when it describes the outcome the user wants rather than restating the question. For example, with `ask=how do I create an API token`, a goal like `automate deployments from our CI pipeline` lets GitBook tailor the answer to that use case. 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.