> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aeon.so/llms.txt
> Use this file to discover all available pages before exploring further.

# Cosmos Transaction

> Learn how to simulate Cosmos SDK-based transactions with the Aeon SDK.

# Cosmos Transaction

Define and simulate transactions for Cosmos SDK-based chains using the Aeon SDK's `AeonClient`.

## `AeonClient.requestSimulatedTransaction("cosmos", params)` (Conceptual)

```typescript theme={null}
// Example of queuing a Cosmos transaction simulation
const aeonClient = new AeonClient({ simulationUrl: "..." });

const messages = [
  {
    typeUrl: "/cosmos.bank.v1beta1.MsgSend",
    value: {
      fromAddress: "cosmosSENDER...",
      toAddress: "cosmosRECIPIENT...",
      amount: [{ denom: "uatom", amount: "1000" }],
    },
  },
];

aeonClient.requestSimulatedTransaction("cosmos", {
  chain: "cosmoshub",
  signerAddress: "cosmosSENDER...",
  messages: messages,
  memo: "Hello from Aeon!",
});

// Later, to process the queue and get the assembled TXB:
// const assembledTxData = await aeonClient.build();
```