Returns true if a processing stage of a message has failed.

# Common config fields, showing default values
processor_failed: {}

This condition is useful for dropping failed messages or creating dead letter queues, you can read more about these patterns here.



The index of a message within a batch to test the condition against. This field is only applicable when batching messages at the input level.

Indexes can be negative, and if so the part will be selected from the end counting backwards starting from -1.

Type: number
Default: 0