For a visual walkthrough on setting up these geographic data structures, you can watch this tutorial: Creating Feature Classes in ArcGIS Pro Karen Joyce YouTube• 09-Apr-2019 Creating Feature Classes in ArcGIS Pro
: In the Catalog pane, right-click on your project's .gdb folder.
: Ensure you select a reference system so your data aligns correctly with the earth's surface. Linking the MP4 File
: Select New > Feature Class to launch the creation wizard. Define the Feature Type : Points : For specific locations like manholes or signs. Lines : For linear features like roads or rivers. Polygons : For areas like building footprints or parks.
: Use the Enable Attachments tool on your feature class to allow files like 34022_1.mp4 to be stored directly within the database.
: Go to the View tab in ArcGIS Pro and select the Catalog Pane.