Go to your project's Settings > Services > Redmine and fill in the required details as described in the table below.
||A name for the issue tracker (to differentiate between instances, for example)|
||The URL to the project in Redmine which is being linked to this GitLab project|
||The URL to the issue in Redmine project that is linked to this GitLab project. Note that the
||This is the URL to create a new issue in Redmine for the project linked to this GitLab project|
Once you have configured and enabled Redmine:
- the Issues link on the GitLab project pages takes you to the appropriate Redmine issue index
- clicking New issue on the project dashboard creates a new Redmine issue
As an example, below is a configuration for a project named gitlab-ci.