Creates an [[Anchor|anchor]] for the specified [[Decree|decree]] in case if decree placement and application chains are different.
> [!HINT] Important
> Only **root nodes** can create and sign decrees. Also, decrees must be placed only in the **zerochain**, even if they are applied in the **mainchain**.
## Request Structure
`JSON object:`
```JSON
{
"method": "decree",
"subcommand": ["anchor"],
"arguments": {
"net": "network_name",
"chain": "chain_name",
"datum": "datum_hash",
"certs": "certs_list"
},
"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 decree datum
**`certs`** - list of certificates to sign decree
### Curl Example
`Request:`
```actionscript
curl --unix-socket /opt/cellframe-node/var/run/node_cli -X POST http://localhost/connect -d '
{
"method": "decree",
"subcommand": ["anchor"],
"arguments": {
"net": "riemann",
"datum": "0x3859BAADFF8AB6B528BD3E7E6D0BA8C090B1044172166E5F979617736C87B79B",
"certs": "riemann.root.pvt.0"
},
"id": "1"
}'
```
`Response:`
```json
{
"type": 0,
"result": "Datum 0x85E9BF159DB9997BE3E96F6D96390C3C735C4E075FBBBFC1A4D73D977BC6E569 is placed in datum pool",
"id": 1
}
```