# Azure Eventgrid Dotnet

Azure Event Grid SDK for .NET.

- Repository: https://github.com/microsoft/skills (3164 stars)
- Category: DevOps
- License: MIT
- Last updated: 2026-11-01
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add microsoft/skills --skill azure-eventgrid-dotnet -g -a claude-code -y`
Codex: `npx skills add microsoft/skills --skill azure-eventgrid-dotnet -g -a codex -y`
Cursor: `npx skills add microsoft/skills --skill azure-eventgrid-dotnet -g -a cursor -y`
Gemini CLI: `npx skills add microsoft/skills --skill azure-eventgrid-dotnet -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add microsoft/skills`

## Description

Azure Event Grid SDK for .NET. Client library for publishing and consuming events with Azure Event Grid. Use for event-driven architectures, pub/sub messaging, CloudEvents, and EventGridEvents. Triggers: "Event Grid", "EventGridPublisherClient", "CloudEvent", "EventGridEvent", "publish events .NET", "event-driven", "pub/sub".

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# Azure.Messaging.EventGrid (.NET)

Client library for publishing events to Azure Event Grid topics, domains, and namespaces.

## Installation

```bash
# For topics and domains (push delivery)
dotnet add package Azure.Messaging.EventGrid

# For namespaces (pull delivery)
dotnet add package Azure.Messaging.EventGrid.Namespaces

# For CloudNative CloudEvents interop
dotnet add package Microsoft.Azure.Messaging.EventGrid.CloudNativeCloudEvents
```

**Current Version**: 4.28.0 (stable)

## Environment Variables

```bash
EVENT_GRID_TOPIC_ENDPOINT=https://<topic-name>.<region>.eventgrid.azure.net/api/events  # Required: Event Grid topic or domain endpoint
EVENT_GRID_TOPIC_KEY=<access-key>  # Only required for AzureKeyCredential auth
EVENT_GRID_NAMESPACE_ENDPOINT=https://<namespace>.<region>.eventgrid.azure.net  # Optional: Event Grid namespace endpoint
EVENT_GRID_TOPIC_NAME=<topic-name>  # Required: Event Grid topic name
EVENT_GRID_SUBSCRIPTION_NAME=<subscription-name>  # Optional: Event Grid subscription name
AZURE_TOKEN_CREDENTIALS=prod  # Required only if DefaultAzureCredential is used in production
```

## Client Hierarchy

```
Push Delivery (Topics/Domains)
└── EventGridPublisherClient
    ├── SendEventAsync(EventGridEvent)
    ├── SendEventsAsync(IEnumerable<EventGridEvent>)
    ├── SendEventAsync(CloudEvent)
    └── SendEventsAsync(IEnumerable<CloudEvent>)

Pull Delivery (Namespaces)
├── EventGridSenderClient
│   └── SendAsync(CloudEvent)
└── EventGridReceiverClient
    ├── ReceiveAsync()
    ├── AcknowledgeAsync()
    ├── ReleaseAsync()
    └── RejectAsync()
```

## Authentication

### API Key Authentication

```csharp
using Azure;
using Azure.Messaging.EventGrid;

EventGridPublisherClient client = new(
    new Uri("https://mytopic.eastus-1.eventgrid.azure.net/api/events"),
    new AzureKeyCredential("<access-key>"));
```

### Microsoft Entra Token Credential

```csharp
using Azure.Identity;
using Azure.Messaging.EventGrid;

The rest: https://github.com/microsoft/skills/blob/HEAD/.github/plugins/azure-sdk-dotnet/skills/azure-eventgrid-dotnet/SKILL.md