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Here's what I have for MariaDB, yours is close, but not quite:
```const rdsParameterGroup = new aws.rds.ParameterGroup(`${appName}-custom-mariadb`, {
  family: "mariadb10.4",
  parameters: [
    {
      name: "character_set_client",
      value: "utf8mb4",
    },
  ],
});```

okay cool..
let me try that.. Thanks for the quick response :slightly_smiling_face:

got it working.. Cheers Buddy.
```export const paramGroupPGStatStatement = new aws.rds.ParameterGroup("paramGroupPGStatStatement",
  {
    family: "postgres12",
    description: "Enabling pg_stat_statements",
    parameters: [
      {
        name: "shared_preload_libraries",
        value: "pg_stat_statements",
      },
      {
        name: "pg_stat_statements.track",
        value: "ALL",
      },
      {
        name: "track_activity_query_size",
        value: "2048",
      }
    ],
  }
);```