When trying to check if a storage area contains a node, Ruby shows the error message that the storage area object is not a polygon, although the methods show that a storage area has a method 'contains'. The workaround is now to create a temporary polygon that uses the boundary_array of the storage area.
Disclaimer: The development, release, and timing of any features or functionality described or discussed for our products in this User Feedback Forum for Autodesk Water Products and Services remains at our sole discretion. This User Feedback Forum for Autodesk Water Products and Services is not a commitment, promise, or legal obligation to deliver any functionality, is intended solely to outline and gather feedback about our general product direction, and should not be relied on in making purchasing decisions.