Creating a Mattermost channel from an issue in JIRA

Users can instantly create Mattermost channels when viewing a JIRA issue. Mattermost options for a JIRA issue are found in the right panel.
To enable Channel Creation for JIRA issues you must first set the default Team via Project Settings. Managing the default team for a project.
To create a Mattermost channel for the particular issue, click in the right panel under Mattermost. The issue channel's name will be the key of the JIRA issue.

Herzum Amplifier for Mattermost for JIRA