# Issues

> For the complete documentation index, see [llms.txt](https://www.jetbrains.com/help/youtrack/devportal/llms.txt).

Use these examples to create issues, link issues, apply commands, and retrieve issue activity history.

* [Create an Issue](api-howto-create-issue.html)

* [Create an Issue and Set Custom Fields](api-howto-create-issue-with-fields.html)

* [Link Issues](api-howto-link-issues.html)

* [Get Issue History](api-usecase-issue-history.html)

* [Apply Commands to Issues](api-usecase-commands.html)

* [Get a List of Issues with All Values](api-howto-get-issues-with-all-values.html)

* [Get a Value for an Issue Custom Field](api-howto-get-value-for-specific-cf.html)

* [Update Issue Custom Fields](api-how-to-update-custom-fields-values.html)

* [Update a Text Field Value](api-usecase-update-text-field-value.html)

* [Clear Values of Custom Fields](api-how-to-clear-custom-fields-values.html)