Set task push notification config request

Set Task Push Notification Config Request (Client)

1. Description

This hook is called when the observed client agent sets or updates notification configuration of a delegated task through A2A protocol.
This hook must be used before the observed agent sends the A2A-compliant message to server agent.

2. Method

tasks/pushNotificationConfig/get

6.3. Reponse

The response is an response envelope object.

Decision	Behavior
`allow`	The observed agent should send the A2A-compliant set config message to the target agent.
`deny`	The A2A-compliant set config message should be blocked and not sent to the server agent.
`modify`	The observed agent should send the A2A update config message with the modified content found in `modifiedRequest` field.

4. A2A payload

{
  "jsonrpc": "2.0",
  "id": 34,
  "method": "tasks/pushNotificationConfig/set",
  "params": {
     "pushNotificationConfig": {
         "url": "https://agent.notifications.com/webhooks/7767"
     },
     "taskId": "2232321",
     "metadata": {}
  }
}

5. ACS payload

{
 "jsonrpc": "2.0",
 "id": "3dbc7111-e6a4-4a18-a005-6ffaa40f7d08",
 "method" : "tasks/pushNotificationConfig/set",
 "params": {
     "payload": {
         "jsonrpc": "2.0",
         "id": 34,
         "method": "tasks/pushNotificationConfig/set",
         "params": {
             "pushNotificationConfig": {
                 "url": "https://agent.notifications.com/webhooks/7767"
             },
             "taskId": "2232321",
             "metadata": {}
         }
     },
     "reasoning": "I understand why task is taking too long. The url configured is wrong. I will fix it !",
     "context": {
         "from": {
             "agent": {
                 "name": "Content generator",
                 "url": "https://cooking-assistant.openai.com/api/v1",
                 "instructions": "You are a helpful assistant that can answer questions and help with tasks.",
                 "version": "1.0.0",
                 "provider": {
                     "name": "OpenAI",
                     "url": "https://openai.com"
                 },
                 "identity": {
                     "signatures": [{
                         "header": {
                             "kid": "agent-key-12345",
                             "alg": "RS256"
                         },
                         "protected": "eyJuYW1lIjoiQ29udGVudCBnZW5lcmF0b3IiLCJwcm92aWRlciI6eyJuYW1lIjoiT3BlbkFJIiwidXJsIjoiaHR0cHM6Ly9vcGVuYWkuY29tIn0sInVybCI6Imh0dHBzOi8vY29va2luZy1hc3Npc3RhbnQub3BlbmFpLmNvbS9hcGkvdjEiLCJ2ZXJzaW9uIjoiMS4wLjAifQ",
                         "signature": "eyJhbGciOiJFUzI1NiIsImtpZCI6InRlbXAtMzJjNGI5YWYtZjkzYS00YWYyLTkxYmMtMmNmNDQxNmI1NWFiIiwidHlwIjoiSldTIn0.eyJuYW1lIjoiQ29udGVudCBnZW5lcmF0b3IiLCJwcm92aWRlciI6eyJuYW1lIjoiT3BlbkFJIiwidXJsIjoiaHR0cHM6Ly9vcGVuYWkuY29tIn0sInVybCI6Imh0dHBzOi8vY29va2luZy1hc3Npc3RhbnQub3BlbmFpLmNvbS9hcGkvdjEiLCJ2ZXJzaW9uIjoiMS4wLjAifQ.fQ2XQ5PN8dDKoMoW8dllPTiNldrdzxH3G_GOaA4AxtHqqYPkWhHdNJH80BPt2j7VIUBcXl_btOHV0vZplO-0Ww"
                     }]
                 }
             },
             "role": "client"
         },
         "to": {
             "agent": {
                 "url": "https://api.story.com/v1",
                 "name": "Story teller",
                 "version": "1.0.0",
                 "identity": {
                     "signatures": [{
                         "header": {
                             "alg": "ES256",
                             "kid": "agent-key-789"
                         },
                         "protected": "eyJuYW1lIjoiU3RvcnkgdGVsbGVyIiwicHJvdmlkZXIiOnsibmFtZSI6IkF6dXJlQUlGb3VuZHJ5IiwidXJsIjoiaHR0cHM6Ly9haS5henVyZS5jb20ifSwidXJsIjoiaHR0cHM6Ly9hcGkuc3RvcnkuY29tL3YxIiwidmVyc2lvbiI6IjEuMC4wIn0",
                         "signature": "1sG5nRS8qcAGYtEPf9BM-mqNGDRY8X1W3eS2QinlC4MHKA0x6s5x1-OuEmkgOjFnO_mBuvp1xZze4PROlRu-bQ"
                     }]
                 }
             },
             "role": "server"
         }
     }
 }
}

Set Task Push Notification Config Request (Server)