[#CBlockPolicyEstimator-GetFeeEstimatorFileAge] = xref:CBlockPolicyEstimator.adoc[CBlockPolicyEstimator]::GetFeeEstimatorFileAge :relfileprefix: ../ :mrdocs: Calculates the age of the file, since last modified. == Synopsis Declared in `<policy/fees/block_policy_estimator.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- std::chrono::hours GetFeeEstimatorFileAge(); ---- == Return Value The time elapsed since the estimation file was last modified. [.small]#Created with https://www.mrdocs.com[MrDocs]#