In your Yva.ai, go to the "Administration - Manage sources" section.
Select the source "Jira" - "Jira Cloud".
Specify the values of all fields and click the "Connect" button.
Users added to the platform from the Atlassian Jira Cloud source will appear no earlier than an hour after the source is connected due to technical features.
Installing the Yva.ai Connector for JIRA Cloud (US) application
To install the Yva.ai Connector for JIRA Cloud (US) application go to your Atlassian account to the “Jira settings” → “Apps” → “Manage apps”.