[#ParseHashO]
= ParseHashO
:mrdocs:

Parse a hex‐encoded hash from a named field of an object.

== Synopsis

Declared in `<rpc/util.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:uint256.adoc[uint256]
ParseHashO(
    xref:UniValue.adoc[UniValue] const& o,
    std::string_view strKey);
----

== Return Value

The parsed 256‐bit hash.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *o*
| The object to read from.
| *strKey*
| The key of the field to parse.
|===


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