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