GeoSWMM Style
GeoSWMM Style contains the default symbology for the GeoSWMM project objects. User can add the GeoSWMM Style in the Style manager list and use them from the Symbology Selector.
While creating a project in the GeoSWMM, objects are generated with default symbology. If user changes the default symbology, they can reassign the default symbology from the GeoSWMM Style. The following figure shows the default symbology group for 1D and 2D model.
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Import the GeoSWMM Style
1. User can open the Style Manager window after expanding the View option from the ArcGIS Pro map Menu and select the import option and go to Style Manager option.

Selecting the Styles option user will find the Style References window.

2. In this window select Add Style to List option to browse the GeoSWMM Style from the GeoSWMM installation folder.

3. After that GeoSWMM Style will be listed in the style manager.

Assign the Symbology from GeoSWMM Style
After adding the GeoSWMM Style in the Style Manager user can update the symbology of each object using Symbology selector. Steps to update the symbology from GeoSWMM style:
1. To open the Symbology selector user needs to click on the symbology icon of any objects in the ToC. For instance, if it’s required to update the Rain Gage symbology, click on the Rain Gages symbol. As Rain Gage is point type visual object in GeoSWMM, available marker symbols for point objects will appear. Select (
) symbol from the GeoSWMM Style List. User can reassign symbols for other objects in the same way described above. Symbol Selector enlists only the symbols that are align with the object type.

2. After selection of a preferred symbol user needs to press OK and objects will be visible with the assigned symbology in the map.