core/com.tealium.prism.core.api.data/JsonPathExtractable/extractBoolean extractBoolean open fun extractBoolean(jsonPath: JsonPath<TRoot>): Boolean?Extracts a nested Boolean according to the given jsonPath.If any path component is not found, either missing or unexpected type, then null will be returned.ReturnThe required Boolean if available; else nullParametersjsonPathThe JsonPath describing how to access the variable.