[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [IExpressionLoaderParams](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.md) > [searchSessionId](./kibana-plugin-plugins-expressions-public.iexpressionloaderparams.searchsessionid.md) ## IExpressionLoaderParams.searchSessionId property Signature: ```typescript searchSessionId?: string; ```