# LotTrail guides and demonstrations

Learn LotTrail tasks, handle common problems and practise with checked demonstrations using sample data.

Source: https://help.smartfact.ai/batchtrail

Read a guide below, or use the help page to ask a general product question. Interactive demonstrations run on desktop and laptop computers. Written instructions work on any device.

## Guides and help pages

- [Handle a missing starting record](https://help.smartfact.ai/batchtrail/guides/missing-record): Recognise a missing record and ask for the right evidence.
- [Read an existing investigation case](https://help.smartfact.ai/batchtrail/guides/read-case): Follow the local review without treating it as a factory instruction.
- [Read checks and other related records](https://help.smartfact.ai/batchtrail/guides/related-records): Keep context separate from physical material movement.
- [Follow a lot through the recorded work](https://help.smartfact.ai/batchtrail/guides/trace-lot): Scan a lot, save an investigation and read its limits.
- [Check an unclear result](https://help.smartfact.ai/batchtrail/guides/uncertain-result): Keep the original request when the connection drops.
- [Save an investigation and review a case](https://help.smartfact.ai/batchtrail/guides/batchtrail-office-case-review): Keep the investigation, source gaps and local review together.
- [Declare a source and its authority](https://help.smartfact.ai/batchtrail/guides/batchtrail-office-declare-source): Record source identity, disclosure authority, retention and actual relationship types.
- [Read a prepared case](https://help.smartfact.ai/batchtrail/guides/batchtrail-office-read-case): Inspect the retained local case and its evidence boundary.
- [Review and accept a prepared evidence file](https://help.smartfact.ai/batchtrail/guides/batchtrail-office-review-file): Use the private review and fresh acceptance checks.
- [Check an unclear result](https://help.smartfact.ai/batchtrail/guides/batchtrail-office-uncertain-result): Keep the original request when the connection drops.