---
title: "browser(_:draggingSession:willBeginAt:forRowsWith:column:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsbrowserdelegate/browser(_:draggingsession:willbeginat:forrowswith:column:)"
---

# browser(_:draggingSession:willBeginAt:forRowsWith:column:)

## Declaration

```swift
@MainActor optional func browser(_ browser: NSBrowser, draggingSession session: NSDraggingSession, willBeginAt screenPoint: NSPoint, forRowsWith rowIndexes: IndexSet, column: Int)
```