> For the complete documentation index, see [llms.txt](https://help.boomerang3.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.boomerang3.com/logger-card-client-user-manual/store-mission/specify-valid-periods/select-period-manually.md).
# Select period manually
1. The fragment selection form is opened. Right click on the chart and select “New fragment”. Then move the fragment borders to select the period you want to store.
2. This operation may be repeated to select multiple fragments. Please note that the fragments cannot overlap.
3. After fragment(s) selection is done, press “Next >>” button to continue.
---
# 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 dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://help.boomerang3.com/logger-card-client-user-manual/store-mission/specify-valid-periods/select-period-manually.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.