BlogBlogA post on somebody's own site or a community platform. Nobody edits it after publication, so it dates from the day it was written.See every one →SAP Community
Event Mesh + AMQP: The Retry Trap Nobody Warns You About
Works through two patterns for retrying failed messages from Event MeshEvent MeshManaged queues and topics over AMQP, MQTT and a REST gateway, and the bus SAP's own applications publish their business events to.sap official, btp's AMQP sender adapter on Cloud IntegrationCloud IntegrationBuilds and runs integration flows that process, route and map messages between cloud and on-premise systems, SAP and non-SAP, through prebuilt adapters; available only under an SAP Integration Suite plan.sap official, btp, whose native retry has no configurable delay or backoff: bridging into a JMS queue for full exponential-backoff control, or looping messages through a dedicated retry queue with a TTL and a Dead Message Queue. Compares both against a Groovy sleep() workaround that blocks the adapter's connection and the runtime's worker thread, and shows that Advanced Event MeshSAP Integration Suite, advanced event meshAn event streaming, event management and monitoring platform for event-driven architecture, offered within SAP Integration Suite.sap official, btp's own adapter ships configurable retry interval, backoff and broker-side redelivery without either workaround.
Where it sits
Explains
Event MeshBTPEvent MeshEmitting and consuming business events across systems through brokers, including subscriptions and mapping application events to broker topics. Work that must survive a request, including deferred processing and retries, belongs to [async processing](capability:async-processing).Async processingBTPAsync processingDoing work outside the request that triggered it, with a guarantee that it eventually happens — deferred jobs, retries, and periodic work. Distinct from messaging, which is about telling other systems.
Source
reachable
Who is behind it
MateuszPiotrowskiauthor
Properties
About this work
For event-mesh
Applies in
For async-processing
Applies in
Group by36 of 36 pieces
Piece, what it offersStill applies
IntegrAItion: Event-Driven IntelligenceIntegrAItion: Event-Driven IntelligenceA Devtoberfest 2026 session, INT-33, whose line is that agents fail because they are not informed enough rather than not clever enough, and that events are how they get informed: what an event is, the source-broker-consumer split, notification against data events, and topic filtering as the thing that decides which agents are woken at all and what that costs in tokens. It covers Event Mesh as the concern — topics, subscriptions, filters and queues — and SAP Integration Suite, advanced event mesh as the product, down to its event portal and catalogue, the mesh and cluster managers and distributed tracing. The closing demo sends an S/4HANA product-defect event through the mesh to wake an agent in Joule Studio, which fetches what it still needs over MCP and reports to a person the next morning.SAP Developers, published 2026-10-07
Clean Core by Design: Event Enablement Cockpit as a Core Integration Enabler in SAP S/4HANAClean Core by Design: Event Enablement Cockpit as a Core Integration Enabler in SAP S/4HANAWalks through wiring an on-premise SAP S/4HANA system into Event Mesh as an event producer, using the Enterprise Event Enablement framework: creating the service instance and its service key, then an RFC destination and OAuth 2.0 client configuration in SPRO so a channel can publish native S/4 business events over AMQP or MQTT. Covers the channel's reconnect and quality-of-service parameters and activating the Event Discovery Service, and notes that SAP ECC needs a third-party add-on for the same events since S/4's native Business Events are not available there.HammadSharif1, published 2026-06-01
Automate BTP Custom Domain certificates using Let's EncryptAutomate BTP Custom Domain certificates using Let's EncryptCertificate lifecycle management as an application: a CAP backend, a Fiori elements UI, the Custom Domain service, Cloud Foundry routes and the Job Scheduler, so requests, renewals and cleanup stop being manual. Part two of the author's BTP Toolbox.Ben, published 2026-03-19
Migrating from ASANWEE to ASAAEMEE: From SAP Event Mesh to SAP Advanced Event MeshMigrating from ASANWEE to ASAAEMEE: From SAP Event Mesh to SAP Advanced Event MeshA migration walkthrough for switching an SAP ERP or S/4HANA on-premise system from classic SAP Event Mesh to SAP Advanced Event Mesh: new RFC destinations to the broker's REST, handshake and token endpoints, trusting its certificate, activating the AEM business configuration set, and re-pointing the NetWeaver Add-On for Event Enablement's outbound object and dynamic topic mapping at the new instance. It assumes the Event Add-On for ERP (ASAAEMEE) is already installed and covers only the technical cut-over, not setting up event publishing from scratch.Benedikt_Sprung, published 2026-02-13
Publish events from CAP Node.js applications to Event Mesh of Integration SuitePublish events from CAP Node.js applications to Event Mesh of Integration SuiteThe smallest complete example: cds init, a service with one function, cds.connect.to('messaging') and an emit to a topic. Deliberately scoped — the Event Mesh setup is skipped and the subaccount is assumed to be the same one — so what remains is the handful of lines on the CAP side and the binding that makes them reach the broker.KevinWang_ST_Consultancy, published 2026-02-13
Publish events from CAP Node.js applications to Event Mesh of Integration Suite
Event Mesh changed in @sap/cds 10.0.3, 2026-07-02. Affects A recipe.
Receive Events from Event Mesh of Integration Suite to CAP Node.js ApplicationsReceive Events from Event Mesh of Integration Suite to CAP Node.js ApplicationsWalks a CAP Node.js application through consuming events from SAP Integration Suite, Event Mesh: adding the messaging and xsuaa services with cds add, writing messaging.on handlers for named topics, and building and deploying the service as an MTA to Cloud Foundry. Documents a mismatch between Cloud Foundry's automatic queue provisioning and Event Mesh's management API, worked around by pointing the service key's management URI at a mock endpoint that always returns 201.KevinWang_ST_Consultancy, published 2026-02-13
SAP Codejam on Event Driven Build ProcessSAP Codejam on Event Driven Build ProcessA hands-on CodeJam walkthrough of an event-driven flow: a Business Partner creation event from a simulated S/4HANA Cloud system is published to SAP Advanced Event Mesh, where the author configures topics, queues and subscriptions and forwards it through a REST Delivery Point to SAP Build Process Automation, which runs a business process with a human approval step and an asynchronous callback to a third-party system. The event producer stays unaware of its consumers, with SAP Build acting purely as an orchestrator reacting to events.Sharathmg, published 2026-02-03
Connecting SAP S/4HANA On-Prem Directly to Advanced Event Mesh using Cloud Connector - finally!Connecting SAP S/4HANA On-Prem Directly to Advanced Event Mesh using Cloud Connector - finally!Package Integration 1.4.0 for the Advanced Event Mesh Adapter adds official support for routing through SAP Cloud Connector, so an on-premise SAP S/4HANA system can produce events that SAP Advanced Event Mesh distributes without exposing a public endpoint. The same release changes the adapter's default acknowledgment mode from Automatic Immediate to Automatic On Exchange Complete, altering delivery semantics and error handling. The release notes warn against mixing proxy configurations within one tenant, since that causes unpredictable routing in complex hybrid tenants.sissyhae, published 2026-01-23
How to use a CAP application to manage DMQ messages on SAP Advanced Event MeshHow to use a CAP application to manage DMQ messages on SAP Advanced Event MeshA CAP application built for the failure path rather than the happy one. Messages that land in a Dead Message Queue are deleted for good when their TTL expires, so this pulls them out first and holds them in quarantine, where a Fiori elements UI lets someone inspect a payload, correct it and reinject it. An operations tool, and a rare write-up of what to do after delivery has already failed.stefan-keuker, published 2025-12-31
How to use a CAP application to manage DMQ messages on SAP Advanced Event Mesh
Event Mesh changed in @sap/cds 10.0.3, 2026-07-02. Affects Runnable code.
SAP EHS Public Cloud: Extending Your Existing Landscape Side-by-Side - Guidebook (Part 4)SAP EHS Public Cloud: Extending Your Existing Landscape Side-by-Side - Guidebook (Part 4)Two custom iFlows in SAP Integration Suite subscribe over AMQP to Event Mesh queues, triggered by SAP S/4HANA On-Premise's Enterprise Event Enablement channels publishing Equipment and Functional Location changes; each flow calls the on-premise OData API, maps the result, and pushes it into SAP S/4HANA Cloud Public Edition through the SAP_COM_0395 communication scenario. The synchronized Plant Maintenance data feeds SAP EHS Public Cloud's risk management, incident management and emissions management processes, which otherwise have no asset master data of their own.duynguyendeloitte, published 2025-11-28
Implementing Event-Driven Architecture in CAP Java using SAP Event MeshImplementing Event-Driven Architecture in CAP Java using SAP Event MeshPublish and consume from the Java stack, which most of the Event Mesh writing on the community does not cover. The MTA declaration and the credentials come first, then the emit and the handler, then the two sections that make it worth keeping: error handling with retries, and securing the events with OAuth.Soumya-Pirlamarla, published 2025-11-26
Implementing Event-Driven Architecture in CAP Java using SAP Event Mesh
Event Mesh changed in @sap/cds 10.0.3, 2026-07-02. Affects A recipe.
DIY JDBC Sender Adapter for SAP Integration SuiteDIY JDBC Sender Adapter for SAP Integration SuiteSimulates the JDBC Sender Adapter that SAP Integration Suite dropped from SAP PO by polling a source database with a Request/Reply step, triggered by a configurable scheduler or a manual HTTP call, and writing the result to a DataStore or JMS Queue to decouple polling from mapping and insertion. Retries run against a configured maximum, a failed batch escalates to a Dead Letter Queue once they are exhausted, and a mapping failure skips retries and escalates straight away from its own local subprocess. The author reports migrating several SAP PO scenarios onto this flow design and offers a reusable template on request.lanza, published 2025-10-21
Getting Started with SAP Event Mesh: Concepts, Setup, and Best PracticesGetting Started with SAP Event Mesh: Concepts, Setup, and Best PracticesExplains SAP Event Mesh as SAP's managed messaging service and works through its core concepts: queues versus topics, publish-subscribe versus point-to-point delivery, and direct versus guaranteed messaging. A hands-on half wires a Solace event broker to SAP Cloud Platform Integration, with two iFlows publishing to and consuming from a queue and a topic over AMQP and HTTP REST.vvinay_kumar, published 2025-10-15
Designing Event-Driven ApplicationsDesigning Event-Driven ApplicationsSAP's guidance for building applications on event-driven architecture with BTP services. It sets out a two-part strategy: SAP Cloud Application Event Hub for events between SAP cloud applications and BTP, and the SAP Integration Suite family for dedicated event brokers in hybrid landscapes. Its sub-pages then cover EDA patterns, design considerations and AWS and Azure IoT integration. The framing is integration between systems; the in-process outbox and queueing inside one CAP service are not its subject.published 2025-10-10
Event enabling SAP Data Replication Framework with Advanced Event Mesh & AIFAEMEvent enabling SAP Data Replication Framework with Advanced Event Mesh & AIFAEMWalks through connecting SAP's ABAP-side Data Replication Framework to Advanced Event Mesh by way of the AIFAEM add-on, bypassing SAP Cloud Integration: a custom ABAP class maps business-partner replication data into AIF, which publishes it to AEM in CloudEvents format. The author's own disclaimer favours the standard pattern instead — a Standard DRF Replication through an Integration Suite iFlow with the AEM adapter — and presents this direct, custom-ABAP route only as a documented alternative.AlexPfeil, published 2025-08-21
How to subscribe or fetch data from solace to CPI using AEM Adapter : part-5How to subscribe or fetch data from solace to CPI using AEM Adapter : part-5Closes a series on event-driven architecture with Solace by detailing the subscriber side of an iFlow in Cloud Integration: an advanced event mesh adapter feeds an exception subprocess, and a Groovy step classifies each failure as recoverable, left to Solace's own retry, or non-recoverable, answered with a custom property that tells Solace to stop retrying before the message reaches an escalation layer. The escalation layer names email, ServiceNow and Loggly as destinations without explaining any of them.pavanKolla, published 2025-08-03
Beginners Guide to Advanced Event MeshBeginners Guide to Advanced Event MeshA scenario-by-scenario walkthrough of Advanced Event Mesh, run through Cloud Integration iFlows: publishing and consuming queue messages, dead message queue setup with retry counts and acknowledgment modes, direct messages, durable topic endpoints and selectors, time-to-live, REST Delivery Points, replay by replication group message ID, parallel consumers with partition keys, and the request-reply pattern. Each scenario is built and verified step by step against a Solace trial account standing in for AEM.PriyankaChak, published 2025-07-24
SAP Event Mesh Architecture PatternsSAP Event Mesh Architecture PatternsNine architectural patterns for wiring producers and consumers through queues, topics and webhooks: single-subscriber point-to-point delivery, fan-out to multiple subscribers, filtering several event types into one subscriber, domain-scoped topic subscriptions, an aggregator that bundles related events, a multi-stage enrichment pipeline, scatter-gather over parallel requests, a dead-letter queue for poison messages, and pushing events to an HTTP webhook. Each pattern states its motivation, a pros-and-cons pair, when to use it and example queue or topic names.vbalko-claimate, published 2025-05-16
How to Perform Initial Loads from S/4HANA to Advanced Event Mesh with Odata PollHow to Perform Initial Loads from S/4HANA to Advanced Event Mesh with Odata PollWalks through building a Cloud Integration flow that polls the S/4HANA Business Partner OData API on a timer, splits the response into individual records, and publishes each as an event to Advanced Event Mesh through its adapter, with the topic set dynamically from a grouping property. Selects fields and expands associations with $select/$expand against an EDMX from the API Business Hub, and works around the OData V2 adapter's lack of JSON support by falling back to the HTTP adapter with an XML-to-JSON converter. Flags the trade-off: the pattern needs no backend change beyond activating the API, but the polled payload has to stay aligned with whatever event format the ERP pushes on change.AlexPfeil, published 2025-04-04
Event-Driven Multi-Tenant Architecture on SAP BTP with CAP and SAP Event MeshEvent-Driven Multi-Tenant Architecture on SAP BTP with CAP and SAP Event MeshThe two topics that are usually written about separately, taken together — because a shared broker is where tenant isolation stops being automatic. It starts from why microservices are decoupled at all, places Event Mesh among the four broker services BTP offers, and then works through what changes when the publisher and the consumer are multitenant.ale_biagi, published 2024-12-19
Triggering SAP Build Process Automation Processes from SAP Cloud Application Programming (CAP) AppsTriggering SAP Build Process Automation Processes from SAP Cloud Application Programming (CAP) AppsThe two routes out of a CAP application into a process, side by side: a destination with OAuth2ClientCredentials, the same destination with principal propagation, and Event Mesh with a CloudEvents payload. Written before @cap-js/process existed, so it is the record of what the plugin now does for you — useful when the plugin does not fit, and useful for reading what it is actually doing underneath.ATheobaldt, published 2024-12-09
Triggering SAP Build Process Automation Processes from SAP Cloud Application Programming (CAP) Apps
Workflow integration has changed twice since this was published, most recently in @cap-js/n8n 0.0.1, 2026-08-27. Affects A recipe, Runnable code.
Integrating SAP S/4HANA Invoicing with KSeF Using SAP Event Mesh and CAPIntegrating SAP S/4HANA Invoicing with KSeF Using SAP Event Mesh and CAPA concrete regulatory deadline rather than a demo topic: every Polish invoice has to pass through KSeF, the national e-invoice platform, and this proposes the route — S/4HANA business events onto Event Mesh, a CAP application consuming them and talking to KSeF. Short, and offered as an example to argue with.Yahor, published 2024-08-29
SAP Advanced Event Mesh – Manage Advance Event Mesh with API’sSAP Advanced Event Mesh – Manage Advance Event Mesh with API’sMaps the API surface of SAP Advanced Event Mesh: the REST API(v2) for administering the cloud environment and its event broker services (with legacy v0/v1 noted as discouraged), SEMP(v2) for provisioning and operating a single event broker, and the open protocols and standards it supports for consuming events, among them JMS, OpenMAMA, REST, AMQP 1.0, MQTT and WebSocket. Covers how each API authenticates — bearer tokens with scoped permissions for REST API(v2), username/password or OAuth2/certificate-based for SEMP(v2) — and where to find the connection details and reference documentation for each.Nils_Lorenz, published 2024-08-28
A Natural Choice: SAP AIF can now expose events to Advanced Event Mesh to power your EDAA Natural Choice: SAP AIF can now expose events to Advanced Event Mesh to power your EDAAnnounces AIFAEM, a new software component of SAP Application Interface Framework that lets SAP ECC and older SAP S/4HANA backends create custom events from BOR objects and IDocs, in CloudEvents format, and publish them to SAP Integration Suite, advanced event mesh — closing the gap for backends that predate S/4HANA's own RAP-based standard events. It ships as the ABAP add-on AIFAEM731 (SAP NetWeaver 7.31, i.e. ECC) or AIFAEM800 (NetWeaver 7.55 and later), and its usage is included in an advanced event mesh subscription.KStrothmann, published 2024-07-29
SAP Event Mesh: S4 HANA On-Prem and SAP CI(BTP IS) through WebSocket and WebhooksSAP Event Mesh: S4 HANA On-Prem and SAP CI(BTP IS) through WebSocket and WebhooksA step-by-step walkthrough of wiring Event Mesh to publish and consume events between an on-premise S/4HANA system and Cloud Integration, contrasting persistent queues (one subscriber, kept until consumed) against unpersisted topics, and WebSocket's AMQP transport against webhook delivery for the same queue. Two tested findings support it: a queue consumer running in continuous consumption mode receives a message ahead of a webhook on the same topic, and a message stays queued and is retried (almost 8770 times in under a minute, in the author's test) until the consumer processes it successfully.FarooqAhmed, published 2023-10-03
[Blog Post] SAP Event Mesh - Consuming S4 events simultaneously in CAP-based applications and SAP Integration Suite[Blog Post] SAP Event Mesh - Consuming S4 events simultaneously in CAP-based applications and SAP Integration SuiteOne S/4HANA event, two consumers at once: a CAP Java application and SAP Integration Suite. Late in a long Deep Dive series and written as such — the queues, the S/4HANA connection and the Integration Suite side were all established in earlier posts, so this is the part where they meet.AyushKumar and vipul.khullar, published 2023-03-24
[Blog Post] SAP Event Mesh - Consuming S4 events simultaneously in CAP-based applications and SAP Integration Suite
Event Mesh changed in @sap/cds 10.0.3, 2026-07-02. Affects Runnable code.
Event Driven Architecture with Event Mesh – Part-2Event Driven Architecture with Event Mesh – Part-2Part 1 published a message and stopped there; this closes the loop by giving it somewhere to go. A REST API built in Integration Suite is registered as a webhook on the Event Mesh queue, and the chain is run end to end — CAP to Event Mesh to Integration Suite to Twilio — so the consumer side and the webhook configuration are what this adds.Avinash_Vaidya, published 2023-01-30
Event Driven Architecture with Event Mesh – Part-2
Event Mesh changed in @sap/cds 10.0.3, 2026-07-02. Affects A recipe, Runnable code.
SAP Job Scheduling Service + Cloud Application Programming Model application (CAP) + SAP Authorization and Trust Management Service (XSUAA)SAP Job Scheduling Service + Cloud Application Programming Model application (CAP) + SAP Authorization and Trust Management Service (XSUAA)Calling an unsecured endpoint on a schedule is trivial; this is the same thing once the endpoint is protected. The interesting part is the caller — the Job Scheduling Service is not a person, so CAP's pseudo-roles are where the post spends its time, and $XSSERVICENAME has to match the scheduler's own instance name.former_member412792, published 2022-12-12
Event Driven Architecture with Event Mesh - Part-1Event Driven Architecture with Event Mesh - Part-1Continues the author's own CDS entity-relationship example rather than starting a fresh one, which is the point of it — the same model gains events. Concepts first, then a message client and queue on BTP, then a Postman check that the queue works before any CAP code is written, and finally the emit from a CAP REST service.Avinash_Vaidya, published 2022-12-04
Event Driven Architecture with Event Mesh - Part-1
Event Mesh changed in @sap/cds 10.0.3, 2026-07-02. Affects A recipe, Runnable code.
[Blog Post] SAP Event Mesh – CAP based implementation of SAP Event Mesh in a Single-Tenant Scenario[Blog Post] SAP Event Mesh – CAP based implementation of SAP Event Mesh in a Single-Tenant ScenarioThe instalment of the Deep Dive series where the framework arrives. The earlier posts consumed Event Mesh over its REST API, so this one is explicitly a comparison: the same thing through CAP's messaging abstraction, with the three flavours — local, file-based and a real broker — named before the broker one is built.AyushKumar and vipul.khullar, published 2022-06-06
[Blog Post] SAP Event Mesh – CAP based implementation of SAP Event Mesh in a Single-Tenant Scenario
Event Mesh changed in @sap/cds 10.0.3, 2026-07-02. Affects A recipe, Runnable code.
CAP - Specifying the queues to be consumed from SAP Event MeshCAP - Specifying the queues to be consumed from SAP Event MeshWritten against the edge of the convention rather than the convention. CAP creates one queue per application and names it for you; this is the case where the queue already exists, belongs to someone else, or there is more than one of them. The oldest Event Mesh post indexed here, and the only one about taking the naming back.schardosin, published 2021-06-21
Event-driven Extensions for SAP SuccessFactors on SAP BTP – Connecting the DotsEvent-driven Extensions for SAP SuccessFactors on SAP BTP – Connecting the DotsWalks through an event-driven extension for SAP SuccessFactors: Automated Configurations registers the SuccessFactors system against an SAP BTP account with an integration token, and a SuccessFactors custom integration then pushes events, such as an employee joining or leaving, to a topic in Event Mesh that a CAP application subscribes to. The SuccessFactors APIs themselves are downloaded as EDMX files from SAP API Business Hub and imported into the CAP project, the same EDMX-import path behind service integration, so CAP generates the client used to call them. A reference application, RunSmooth, ties Automated Configurations, Event Mesh and CAP together end to end.Former Member, published 2020-08-12
Event Add-On for ERP: All you need to know about the new Event StudioEvent Add-On for ERP: All you need to know about the new Event StudioA Devtoberfest 2026 integration-track session (INT-43) on Event Studio, the browser-based part of the Event Add-On for ERP that defines events in an S/4HANA or ECC backend without code and sends them to a broker. A custom sales-order event is built live — fields picked into a payload that is published as a CDS view entity, a trigger on a classic business object, a static topic — and arrives in a queue on SAP Integration Suite, advanced event mesh, which is where the Event Mesh edge holds. The rest of the demo covers health and exception monitoring in SAP Cloud ALM, the AsyncAPI definition replicated to Event Portal, and the AI assistant and MCP server now inside Event Studio.SAP Developers
Unlock composable business using SAP Integration Suite, advanced event meshUnlock composable business using SAP Integration Suite, advanced event meshSAP Integration Suite, advanced event mesh as SAP's product for event-driven, real-time and loosely coupled integration between SAP and third-party systems, which the abstract ties to composable business architecture. The session is about that product and the Event Mesh concern it answers; the abstract states the positioning and no feature, topic or protocol, and a speaker from CCB Management Services is listed without a stated case. A TechEd 2026 session (Tuesday 27 October, Berlin; also IN111V, virtual), presented by Goran D. Stevanovic and Karsten Strothmann, written here from SAP's abstract; the recording is not yet published.
Build your own event-driven scenario with advanced event meshBuild your own event-driven scenario with advanced event meshAn event-driven scenario built on SAP Integration Suite, advanced event mesh: queues, topics and subscriptions first, then filtering and event replay, in two parallel tracks, a guided one for newcomers and a second for experienced practitioners. It covers the brokered side of Event Mesh; which systems publish and consume, and which protocol the clients speak, is not stated. A TechEd 2026 session (Tuesday 27 October, Berlin), presented by Claudia Carabineiro, Emily Mui, Karsten Strothmann and Tobias Griebe, written here from SAP's abstract; the recording is not yet published.
Build real-time event-driven integrations for your enterpriseBuild real-time event-driven integrations for your enterpriseEvent-driven integration with SAP Integration Suite, advanced event mesh inside SAP Integration Suite: where events beat request-response, how publish and subscribe decouple systems, and what a phased move to event-driven integration looks like. Event Mesh as architecture; the abstract names no broker protocol and no CDS mapping. A TechEd 2026 session (Tuesday 27 October, Berlin), presented by Daniel Dorst and Karsten Strothmann, written here from SAP's abstract; the recording is not yet published.
Details
Graph
Event Meshcapability, core and community
Async processingcapability, core and community
SAP Communitypublishing source
SAP Communitycloud-integration-tag
SAP Communityintegration-suite-tag
Source
Type
blog
Published on
Host
community.sap.com
First seen
History
- Entered the atlasDiscovered via SAP Community · cloud-integration-tag, SAP Community · integration-suite-tag.
For your agent
- Ref
content:event-mesh-amqp-the-retry-trap-nobody-warns-you-about- JSON
- /content/event-mesh-amqp-the-retry-trap-nobody-warns-you-about.json
- MCP
- Connecting an agent