OptionalnameThe name of the parameter. Reference it in the query text as :name. Required, must be
non-empty, and must be unique across the alert's parameters.
OptionaltypeThe SQL data type of the parameter, for example STRING, INT, or DECIMAL(10, 2). If no type is given
the type is assumed to be STRING. Complex types such as ARRAY, MAP, and STRUCT are not supported.
OptionalvalueThe value bound to the parameter, represented as a string. If omitted, the value is interpreted as NULL.
A named parameter bound to the alert query. Only flat, named scalar parameters are supported; complex types such as ARRAY, MAP, and STRUCT are not.