Requirements can be related to each another in a way that a change to one will may also effect the other. The potentially impacted requirements are considered downstream of the first requirement and the first requirement is considered as upstream.
In a requirement's details window, click on the Upstream / Downstream tab.
To add an upstream requirement, click on the Add Upstream button. Click on the desired requirement and click Add. Once added, that new upstream requirement is greyed out in the list and it will no longer have a selection button. This indicates that it is now an upstream requirement. A requirement that is already greyed out may also indicate it is a downstream requirement. You may continue to add additional upstream requirements. Click Done when complete return to the Upstream / Downstream tab.
To add a downstream requirement, click on the Add Downstream button. Click on the desired requirement and click Add. Once added, that new downstream requirement is greyed out in the list and it will no longer have a selection button. This indicates that it is now a downstream requirement. A requirement may also be greyed out if it is already an upstream requirement. You may continue to add additional downstream requirements. Click Done when complete to return to the Upstream / Downstream tab.
Users will need view and edit permissions in the requirements module to add upstream and downstream requirements. Depending on the settings of the user's project permissions, they may be able to view all the project requirements or just a subset of them. Users added to a specific requirement as a contributor, reviewer or co-owner will be able to view it.
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