[Home](./index.md) > [kibana-plugin-plugins-data-server](./kibana-plugin-plugins-data-server.md) > [AggFunctionsMapping](./kibana-plugin-plugins-data-server.aggfunctionsmapping.md) > [aggSerialDiff](./kibana-plugin-plugins-data-server.aggfunctionsmapping.aggserialdiff.md) ## AggFunctionsMapping.aggSerialDiff property Signature: ```typescript aggSerialDiff: ReturnType; ```