1. Create a new custom executable by selecting <em>Project -> New Custom Executable</em> from the menu bar.
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<img src="./files/screenshots/new custom executable.png">
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2. Choose a name for the executable and set <em>Executable Path:</em> to <em>/Applications/Pd-0.42-5.app/Contents/Resources/bin/pd</em>.
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<img src="./files/screenshots/custom executable dialog.png">
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3. Set a breakpoint.  In this example line 17 will break on float input.
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<img src="./files/screenshots/breakpoint.png">
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4. Debug the target by selecting Build -> <em>Build and Debug - Breakpoints On</em> from the menu bar.
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<img src="./files/screenshots/build and debug.png">
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5. Once Pd opens, instantiate obj1 and send it a float to trigger the breakpoint.  Clicking the green
continue button in Xcode will resume Pd's execution.
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<img src="./files/screenshots/debugging.png">