Reads the given parameter and assigns value to a field in the event.
Hide omitted argument names for this function
Omitted Argument NamesThe argument name for
parametercan be omitted; the following forms of this function are equivalent:logscale Syntaxbeta:param("value",as="value")and:
logscale Syntaxbeta:param(parameter="value",as="value")These examples show basic structure only.