[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [ExecutionContract](./kibana-plugin-plugins-expressions-public.executioncontract.md) > [getData](./kibana-plugin-plugins-expressions-public.executioncontract.getdata.md) ## ExecutionContract.getData property Returns the final output of expression, if any error happens still wraps that error into `ExpressionValueError` type and returns that. This function never throws. Signature: ```typescript getData: () => Promise

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