wp comment meta add <id> <key> <value>
Add a meta field
Arguments
| Name | Description | 
|---|---|
| id | The ID of the object | 
| key | The name of the meta field to create | 
| value | The value of the meta field. If omitted, the value is read from STDIN | 
Options
| Name | Description | 
|---|---|
| --format  <options> | The serialization format for the value |