outlinkUrl segment not working in CustomDimensions.getCustomDimension

I need to filter based on outlinkUrl in method CustomDimensions.getCustomDimension

when i gave segment as segment=outlinkUrl==https%3A%2F%2Ftest.example.com%3Flink%3Dstandard but not getting custom dimensions. but when i give actionUrl=$link=standard getting url encoding issue coming