Apache Pulsar · JSON Structure

Apache Pulsar Function Config Structure

FunctionConfig schema from Apache Pulsar

Type: object Properties: 12

Cloud-NativeMessagingMulti-TenantPub-SubStreamingApacheOpen-Source

FunctionConfig is a JSON Structure definition published by Apache Pulsar, describing 12 properties. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

tenant namespace name className inputs output logTopic processingGuarantees parallelism runtime autoAck userConfig

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/apache-pulsar/refs/heads/main/json-structure/apache-pulsar-function-config-structure.json",
  "description": "FunctionConfig schema from Apache Pulsar",
  "type": "object",
  "properties": {
    "tenant": {
      "type": "string"
    },
    "namespace": {
      "type": "string"
    },
    "name": {
      "type": "string"
    },
    "className": {
      "type": "string"
    },
    "inputs": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "output": {
      "type": "string"
    },
    "logTopic": {
      "type": "string"
    },
    "processingGuarantees": {
      "type": "string",
      "enum": [
        "ATLEAST_ONCE",
        "ATMOST_ONCE",
        "EFFECTIVELY_ONCE"
      ]
    },
    "parallelism": {
      "type": "int32"
    },
    "runtime": {
      "type": "string",
      "enum": [
        "JAVA",
        "PYTHON",
        "GO"
      ]
    },
    "autoAck": {
      "type": "boolean"
    },
    "userConfig": {
      "type": "object",
      "additionalProperties": true
    }
  },
  "name": "FunctionConfig"
}

Work with this as data

Every JSON Structure here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for json structure

4 MCP tools reach this

find_json_structuresBrowse and filter every JSON Structure in the catalog.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This JSON Structure

curl "https://apis.io/api/v1/json-structures/apache-pulsar-function-config-structure"

All json structure

curl "https://apis.io/api/v1/json-structures?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.