User Breakpoints for XCODE goes into:

Breakpoints_v2.xcbkptlist

<?xml version="1.0" encoding="UTF-8"?>
<Bucket
   type = "2"
   version = "2.0">
   <Breakpoints>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.ExceptionBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "No"
            ignoreCount = "0"
            continueAfterRunningActions = "No"
            scope = "1"
            stopOnStyle = "0">
            <Actions>
               <BreakpointActionProxy
                  ActionExtensionID = "Xcode.BreakpointAction.DebuggerCommand">
                  <ActionContent
                     consoleCommand = "po $arg1">
                  </ActionContent>
               </BreakpointActionProxy>
            </Actions>
         </BreakpointContent>
      </BreakpointProxy>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.ExceptionBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "No"
            ignoreCount = "0"
            continueAfterRunningActions = "No"
            scope = "2"
            stopOnStyle = "0">
         </BreakpointContent>
      </BreakpointProxy>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.SwiftErrorBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "Yes"
            ignoreCount = "0"
            continueAfterRunningActions = "No">
         </BreakpointContent>
      </BreakpointProxy>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.IDETestFailureBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "No"
            ignoreCount = "0"
            continueAfterRunningActions = "No"
            breakpointStackSelectionBehavior = "1">
         </BreakpointContent>
      </BreakpointProxy>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.OpenGLErrorBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "Yes"
            ignoreCount = "0"
            continueAfterRunningActions = "No"
            breakpointStackSelectionBehavior = "1"
            symbolName = "__GPUTOOLS_HAS_DETECTED_AN_OPENGL_ERROR__"
            moduleName = "libglInterpose.dylib">
            <Actions>
               <BreakpointActionProxy
                  ActionExtensionID = "Xcode.BreakpointAction.OpenGLError">
                  <ActionContent>
                  </ActionContent>
               </BreakpointActionProxy>
            </Actions>
            <Locations>
            </Locations>
         </BreakpointContent>
      </BreakpointProxy>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.SymbolicBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "Yes"
            ignoreCount = "0"
            continueAfterRunningActions = "Yes"
            symbolName = "UIApplicationMain"
            moduleName = "">
            <Actions>
               <BreakpointActionProxy
                  ActionExtensionID = "Xcode.BreakpointAction.DebuggerCommand">
                  <ActionContent
                     consoleCommand = "expr @import Foundation">
                  </ActionContent>
               </BreakpointActionProxy>
               <BreakpointActionProxy
                  ActionExtensionID = "Xcode.BreakpointAction.DebuggerCommand">
                  <ActionContent
                     consoleCommand = "expr @import UIKit">
                  </ActionContent>
               </BreakpointActionProxy>
            </Actions>
            <Locations>
               <Location
                  shouldBeEnabled = "Yes"
                  ignoreCount = "0"
                  continueAfterRunningActions = "No"
                  symbolName = "UIApplicationMain"
                  moduleName = "UIKit"
                  usesParentBreakpointCondition = "Yes"
                  offsetFromSymbolStart = "0">
               </Location>
            </Locations>
         </BreakpointContent>
      </BreakpointProxy>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.SymbolicBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "Yes"
            ignoreCount = "0"
            continueAfterRunningActions = "Yes"
            symbolName = "NSApplicationMain"
            moduleName = "">
            <Actions>
               <BreakpointActionProxy
                  ActionExtensionID = "Xcode.BreakpointAction.DebuggerCommand">
                  <ActionContent
                     consoleCommand = "expr @import Foundation">
                  </ActionContent>
               </BreakpointActionProxy>
               <BreakpointActionProxy
                  ActionExtensionID = "Xcode.BreakpointAction.DebuggerCommand">
                  <ActionContent
                     consoleCommand = "expr @import Cocoa">
                  </ActionContent>
               </BreakpointActionProxy>
            </Actions>
            <Locations>
            </Locations>
         </BreakpointContent>
      </BreakpointProxy>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.SymbolicBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "Yes"
            ignoreCount = "0"
            continueAfterRunningActions = "No"
            symbolName = "UIViewAlertForUnsatisfiableConstraints"
            moduleName = "">
            <Actions>
               <BreakpointActionProxy
                  ActionExtensionID = "Xcode.BreakpointAction.Log">
                  <ActionContent
                     message = ""
                     conveyanceType = "0">
                  </ActionContent>
               </BreakpointActionProxy>
            </Actions>
            <Locations>
               <Location
                  shouldBeEnabled = "Yes"
                  ignoreCount = "0"
                  continueAfterRunningActions = "No"
                  symbolName = "UIViewAlertForUnsatisfiableConstraints"
                  moduleName = "UIKit"
                  usesParentBreakpointCondition = "Yes"
                  offsetFromSymbolStart = "0">
               </Location>
            </Locations>
         </BreakpointContent>
      </BreakpointProxy>
   </Breakpoints>
</Bucket>