Deletes datum for the selected chain in the network.
## Request Structure
`JSON object:`
```JSON
{
"method": "mempool",
"subcommand": ["count"],
"arguments": {
"net": "network_name",
"chain": "chain_name",
"datum": "datum_hash"
},
"id": "1"
}
```
`Parameters:`
**`net (network_name)`** - name of the Cellframe Network. The list of networks can be found in the `<Config_dir> \ etc \ network` folder or received using - [[Node Command - NET LIST]]
**`chain`** - the name of chain (`main` or `zerochain`) `optional`
**`datum`** - hash of the datum
### Curl Example
`Request:`
```actionscript
curl --unix-socket /opt/cellframe-node/var/run/node_cli -X POST http://localhost/connect -d '
{
"method": "mempool",
"subcommand": ["delete"],
"arguments": {
"net": "foobar",
"chain": "main",
"datum": "0x68960FE80F5A31328EC15AAF117F4A4C24573BC3B965877FA840FE7A13EC2BDC"
},
"id": "1"
}'
```
`Response:`
```json
{
"type": 2,
"result": [
"Datum 0x68960FE80F5A31328EC15AAF117F4A4C24573BC3B965877FA840FE7A13EC2BDC deleted"
],
"errors": null,
"id": 1
}
```