Adds a message to an offer instance corresponding to instanceId.
POST
https://${url}/hmspass/v1/offer/instance/{instanceId}/addMessage
Note: The ${url} variable in the preceding request should be selected based on the region where the wallet server is located. For details, please refer to Wallet Server Address.
| Parameter name | Value | Description |
| instanceId | String | Instance ID. This ID must be unique across all instances of an issuer. The value contains only alphabetic letters, digits, dots (.), hyphens (-), and underscores (_). |
The request body contains the messageList object to be added. This messageList object can contain a maximum of 10 valueObject objects.
{
"messageList": [
{
object (valueObject)
}
]
}
If successful, this method returns a response containing the hwWalletObject that is updated.