LiquidityAdded: PlainDescriptor<
    {
        amount1_provided: bigint;
        amount2_provided: bigint;
        lp_token: number;
        lp_token_minted: bigint;
        mint_to: SS58String;
        pool_id: FixedSizeArray<2, { interior: XcmV3Junctions; parents: number }>;
        who: SS58String;
    },
>

A successful call of the AddLiquidity extrinsic will create this event.