# Interface IPgTypeInfoResolver

Namespace
  Npgsql.Internal

Assembly
  Npgsql.dll

An Npgsql resolver for type info. Used by Npgsql to read and write values to PostgreSQL.

    public interface IPgTypeInfoResolver

## Methods

### GetTypeInfo(Type?, DataTypeName?, PgSerializerOptions)

Resolve a type info for a given type and data type name, at least one value will be non-null.

    PgTypeInfo? GetTypeInfo(Type? type, DataTypeName? dataTypeName, PgSerializerOptions options)

#### Parameters

`type` Type

  The clr type being requested.

`dataTypeName` DataTypeName?

  The postgres type being requested.

`options` PgSerializerOptions

  Used for configuration state and Npgsql type info or PostgreSQL type catalog lookups.

#### Returns

PgTypeInfo

  A result, or null if there was no match.