{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/modal-com/main/json-schema/modal-function-schema.json",
  "title": "Modal Function",
  "description": "A Modal Function — a serverless Python function backed by an autoscaling container pool, with optional GPU attachment, image, volumes, secrets, and scheduling.",
  "type": "object",
  "required": ["function_id", "app_id", "name"],
  "properties": {
    "function_id": { "type": "string" },
    "app_id": { "type": "string" },
    "name": { "type": "string" },
    "image": { "type": "string" },
    "gpu": {
      "type": "string",
      "enum": ["T4", "L4", "A10", "L40S", "A100-40GB", "A100-80GB", "RTX-PRO-6000", "H100", "H200", "B200"]
    },
    "cpu": { "type": "number", "minimum": 0.125 },
    "memory": { "type": "integer", "minimum": 128, "description": "MiB of RAM" },
    "timeout": { "type": "integer", "minimum": 1, "maximum": 86400 },
    "retries": { "type": "integer", "minimum": 0 },
    "min_containers": { "type": "integer", "minimum": 0 },
    "max_containers": { "type": "integer", "minimum": 1 },
    "buffer_containers": { "type": "integer", "minimum": 0 },
    "schedule": {
      "type": "object",
      "properties": {
        "kind": { "type": "string", "enum": ["cron", "period"] },
        "cron_expression": { "type": "string" },
        "timezone": { "type": "string" },
        "period_seconds": { "type": "integer" }
      }
    },
    "web_url": { "type": "string", "format": "uri" },
    "secrets": {
      "type": "array",
      "items": { "type": "string" }
    },
    "volumes": {
      "type": "object",
      "additionalProperties": { "type": "string" }
    }
  }
}