> ## Documentation Index
> Fetch the complete documentation index at: https://hedera-0c6e0218-mintlify-bc559771.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ConsensusDeleteTopic

> ConsensusDeleteTopicTransactionBody protobuf message that deletes an existing topic on the Hedera Consensus Service, identified by its TopicID.

## ConsensusDeleteTopicTransactionBody

| Field     | Type                                                 | Description       |
| --------- | ---------------------------------------------------- | ----------------- |
| `topicID` | ​[TopicID](/reference/protobuf/basic-types/topicid)​ | Topic identifier. |