[#CreateChainParams]
= CreateChainParams
:mrdocs:

Creates and returns a std::unique_ptr<CChainParams> of the chosen chain.

== Synopsis

Declared in `<chainparams.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::unique_ptr<CChainParams const>
CreateChainParams(
    xref:ArgsManager.adoc[ArgsManager] const& args,
    xref:ChainType.adoc[ChainType] chain);
----

== Return Value

The consensus and network parameters for the chosen chain.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *args*
| The active argument manager, used to apply chain overrides.
| *chain*
| The chain type to build parameters for.
|===


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