FloodRisk2 is a QGIS 3.x plugin and is a new version of the previous FloodRisk for QGIS 2.x, having additional features It provides the assessment of flood consequences, in terms of loss of life and direct economic damages and allows the quantitative assessment of benefits in terms of damage reduction as a result of mitigation measures.
In https://github.com/FloodRiskGroup/FloodRisk-doc/tree/master/FloodRiskData_2
you can find an example of data for the plugin