{
  "id": "hook-surface:codex.on-tool-call",
  "_kind": "HookSurface",
  "_file": "channels-hooks/hook-surfaces/native/codex-on-tool-call.yaml",
  "_cluster": "channels-hooks",
  "attributes": {
    "eventName": "OnToolCall (Codex)",
    "displayName": "OnToolCall (Codex)",
    "kind": "native",
    "originVendor": "OpenAI",
    "direction": "pre",
    "blocking": true,
    "family": "shell-hook",
    "payloadSchema": {
      "type": "object",
      "required": [
        "toolName",
        "args"
      ],
      "properties": {
        "toolName": {
          "type": "string"
        },
        "args": {
          "type": "object"
        }
      }
    },
    "description": "Codex's pre-tool-call hook. Canonicalizes to pre-tool-use.\n"
  },
  "outgoingEdges": [
    {
      "from": "hook-surface:codex.on-tool-call",
      "to": "hook-surface:pre-tool-use",
      "kind": "canonicalized_to",
      "attributes": {}
    },
    {
      "from": "hook-surface:codex.on-tool-call",
      "to": "agentVersion:codex:ge-0-119-0",
      "kind": "emits_hook",
      "attributes": {
        "attrs": {
          "since": "1.0.0"
        }
      }
    }
  ],
  "incomingEdges": [
    {
      "from": "agent-core-impl:codex.core@1.x",
      "to": "hook-surface:codex.on-tool-call",
      "kind": "fires_hook",
      "attributes": {}
    },
    {
      "from": "agent-runtime-impl:codex-app-server.runtime@current",
      "to": "hook-surface:codex.on-tool-call",
      "kind": "exposes",
      "attributes": {}
    },
    {
      "from": "agent-runtime-impl:codex.runtime@1.x",
      "to": "hook-surface:codex.on-tool-call",
      "kind": "exposes",
      "attributes": {}
    },
    {
      "from": "hook-mapping:codex-on-tool-call-native",
      "to": "hook-surface:codex.on-tool-call",
      "kind": "maps_hook",
      "attributes": {}
    }
  ]
}