Options of rate-limit() filter

The rate-limit() filter has the following options.

key()

Type: template
Default: empty string

Description: The resolved template, that will be used to create unique rate-limit token buckets. In AxoSyslog version 4.4 and earlier, the name of this option was template().

rate()

Type: number
Default: N/A
Mandatory: yes

Description: The number of messages for each unique macro resolution, that will be let through (matched) by the filter each second.