31 lines
977 B
Markdown
31 lines
977 B
Markdown
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---
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uid: Discord.Commands.CommandException
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remarks: *content
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---
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This @System.Exception class is typically used when diagnosing
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an error thrown during the execution of a command. You will find the
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thrown exception passed into
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[LogMessage.Exception](xref:Discord.LogMessage.Exception), which is
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sent to your [CommandService.Log](xref:Discord.Commands.CommandService.Log)
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event handler.
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---
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uid: Discord.Commands.CommandException
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example: [*content]
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---
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You may use this information to handle runtime exceptions after
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execution. Below is an example of how you may use this:
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```cs
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public Task LogHandlerAsync(LogMessage logMessage)
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{
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// Note that this casting method requires C#7 and up.
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if (logMessage?.Exception is CommandException cmdEx)
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{
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Console.WriteLine($"{cmdEx.GetBaseException().GetType()} was thrown while executing {cmdEx.Command.Aliases.First()} in {cmdEx.Context.Channel} by {cmdEx.Context.User}.");
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}
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return Task.CompletedTask;
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}
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```
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