> ## Documentation Index
> Fetch the complete documentation index at: https://hedera-0c6e0218-docs--429.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Topic Plugin

## Most Used Commands

**Create a new topic with admin and submit key set**

```sh theme={null}
hcli topic create \
  --name marketing-updates \
  --memo "Weekly digest" \
  --admin-key alice \
  --submit-key bob
```

**Submit a message**

```sh theme={null}
hcli topic submit-message \
  --topic 0.0.7473019 \
  --message '{"event":"mint","amount":10}'
```

**Find messages between a range of 1 and 3**

```sh theme={null}
hcli topic find-message \
  --topic marketing-updates \
  --sequence-gt 1 \
  --sequence-lt 3
```

## Full Command Reference

<Accordion title="Topic Create">
  Create a new Hedera Consensus Service topic with optional memo and keys.

  <ResponseField name="-n, --name" type="string" required>
    Define the name for this topic.
  </ResponseField>

  <ResponseField name="-m, --memo" type="string">
    The memo for a topic.
  </ResponseField>

  <ResponseField name="-a, --admin-key" type="string">
    Pass an admin key as name or private key for the topic. Private key can be optionally prefixed with key type<br />
    (e.g., "ed25519:..." or "ecdsa:..."). Defaults to ecdsa if no prefix.
  </ResponseField>

  <ResponseField name="-s, --submit-key" type="string">
    Submit key as account name or `{accountId}:{private_key}` format.
  </ResponseField>

  <ResponseField name="-k, --key-manager" type="string(local|local_encrypted)">
    Key manager to use: local or local\_encrypted (defaults to config setting)
  </ResponseField>
</Accordion>

<Accordion title="Topic List">
  List all topics stored in the state.

  <ResponseField name="-n, --network" type="string">
    Filter topics by network.
  </ResponseField>
</Accordion>

<Accordion title="Topic Submit-Message">
  Submit a message to a Hedera Consensus Service topic

  <ResponseField name="-t, --topic" type="string" required>
    The topic ID or topic name.
  </ResponseField>

  <ResponseField name="-m, --message" type="string" required>
    Submit a message to the topic.
  </ResponseField>

  <ResponseField name="-s, --signer" type="string">
    Account to use for signing the message. Can be an alias or `{accountId}:{private_key}`.<br />
    Required for public topics (without submit keys). For topics with submit keys, must be one of the authorized signers.
  </ResponseField>

  <ResponseField name="-k, --key-manager" type="string(local|local_encrypted)">
    Key manager to use: local or local\_encrypted (defaults to config setting)
  </ResponseField>
</Accordion>

<Accordion title="Topic Find-Message">
  Find messages in a topic by sequence number or filters

  <ResponseField name="-t, --topic" type="string" required>
    The topic ID or topic name to filter for.
  </ResponseField>

  <ResponseField name="-g, --sequence-gt" type="int">
    Filter by sequence number greater than.
  </ResponseField>

  <ResponseField name="-G, --sequence-gte" type="int">
    Filter by sequence number greater than or equal to.
  </ResponseField>

  <ResponseField name="-l, --sequence-lt" type="int">
    Filter by sequence number less than.
  </ResponseField>

  <ResponseField name="-L, --sequence-lte" type="int">
    Filter by sequence number less than or equal to.
  </ResponseField>

  <ResponseField name="-e, --sequence-eq" type="int">
    Filter by sequence number equal to.
  </ResponseField>
</Accordion>