# Classes Overview * **AWaterBodyActor**: Base Class for all of the actors * **UWaterBodyComponent**: Holds the Meta Data and a bunch of variables to make it generic for all actors, even those without a spline * **UWaterSplineMetadata**: Holds all the custom spline curves such as depth, width, velocity, etc * **FWaterSplineMetadataDetails**: Customisation for the meta data class (added by default in the SplineComponentDetails) * **UWaterSplineMetadataDetailsFactory**: To identify FWaterSplineMetadataDetails as the correct details customisation to the default SplineComponentDetails * **UWaterBodyComponent::CreateOrUpdateWaterMID**: Gets or creates a dynamic material instance for use in the mesh component * **UWaterSplineComponent**: Custom spline class for the water body actors such as river * **FWaterSplineComponentVisualizer**: Adds the extra handles for depth, width, velocity, etc * **HWaterSplineVisProxy**: Custom spline handles for the custom water curves * **UWaterSplineComponentVisualizerSelectionState**: Processes what type of handle is selected for functionality to be correct --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.oserosuite.com/technical-notes/unreal-engine-notes/water-plugin/classes-overview.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.