get
suspend fun ERROR CLASS: Symbol not found for ApplicationCall.getParameterOrSendError(field: String): MatchGroup?(source)
Retrieves a parameter value by field name from the request parameters. If the parameter is not present, responds with HttpStatusCode.BadRequest (400) and an error message.
Return
The parameter value, or null if not found (after sending error response)
Parameters
field
The name of the parameter to retrieve