fetchIncomingPhoneNumberAssignedAddOnExtension

{
  "AccountSid": {
    "description": "The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the resource to fetch.",
    "required": true,
    "location": "path",
    "type": "string"
  },
  "ResourceSid": {
    "description": "The SID of the Phone Number to which the Add-on is assigned.",
    "required": true,
    "location": "path",
    "type": "string"
  },
  "AssignedAddOnSid": {
    "description": "The SID that uniquely identifies the assigned Add-on installation.",
    "required": true,
    "location": "path",
    "type": "string"
  },
  "Sid": {
    "description": "The Twilio-provided string that uniquely identifies the resource to fetch.",
    "required": true,
    "location": "path",
    "type": "string"
  }
}

{
  "type": "object",
  "properties": {
    "sid": {
      "type": "string",
      "minLength": 34,
      "maxLength": 34,
      "pattern": "^XF[0-9a-fA-F]{32}$",
      "nullable": true,
      "description": "The unique string that that we created to identify the resource."
    },
    "account_sid": {
      "type": "string",
      "minLength": 34,
      "maxLength": 34,
      "pattern": "^AC[0-9a-fA-F]{32}$",
      "nullable": true,
      "description": "The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the resource."
    },
    "resource_sid": {
      "type": "string",
      "minLength": 34,
      "maxLength": 34,
      "pattern": "^PN[0-9a-fA-F]{32}$",
      "nullable": true,
      "description": "The SID of the Phone Number to which the Add-on is assigned."
    },
    "assigned_add_on_sid": {
      "type": "string",
      "minLength": 34,
      "maxLength": 34,
      "pattern": "^XE[0-9a-fA-F]{32}$",
      "nullable": true,
      "description": "The SID that uniquely identifies the assigned Add-on installation."
    },
    "friendly_name": {
      "type": "string",
      "nullable": true,
      "description": "The string that you assigned to describe the resource.",
      "x-twilio": {
        "pii": {
          "handling": "standard",
          "deleteSla": 30
        }
      }
    },
    "product_name": {
      "type": "string",
      "nullable": true,
      "description": "A string that you assigned to describe the Product this Extension is used within."
    },
    "unique_name": {
      "type": "string",
      "nullable": true,
      "description": "An application-defined string that uniquely identifies the resource. It can be used in place of the resource's `sid` in the URL to address the resource."
    },
    "uri": {
      "type": "string",
      "nullable": true,
      "description": "The URI of the resource, relative to `https://api.twilio.com`."
    },
    "enabled": {
      "type": "boolean",
      "nullable": true,
      "description": "Whether the Extension will be invoked."
    }
  }
}

from ocp_agent import OCPAgent

agent = OCPAgent()
await agent.register_api('twilio')

# Call this tool
result = await agent.call_tool('fetchIncomingPhoneNumberAssignedAddOnExtension', {
    # Add required parameters here
})