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Holger Lierse

Holger Lierse

Global Head of Partner Delivery & Principal Technical Consultant

I authored

72

articles. I write about:

Analytics

43

Tracking success metrics

41

Analytics and Reporting

41

Order Workflows

38

Implementation

9

Other resources

8

Developer tooling

7

Increase speed-to-market

7

Rule performance

7

Rule SDK

7

Inventory processing

6

Boiler plates and reference modules

6

Utility bundle

6

Fluent Big Inventory

5

Inventory quantity

5

Availability management

5

GraphQL query

5

Event

5

Integrate

4

Enterprise Inventory Availability (GI)

4

Intelligent Inventory Processing

4

Inventory Reference Module

4

Inventory entities

4

Optimize Fluent Commerce

3

Platform flexibility

3

GraphQL

3

API

3

Virtual inventory position

2

Inventory Batch API

2

Decision logic / Orchestration

2

Event API

2

UX framework

Content components

Setting

UI Component SDK

Configuration manifest

Store customer service

Product entities

Web Apps

Object attributes

Entities

Account

Order entity

Fulfillment domain entities

Order domain entities

Inventory position

Inventory management lifecycle

Inventory monitoring

Batch processing

Implement Fluent Commerce

Order Orchestration

Workflow

Single Sign-On (SSO)

User management

Testing

Support and maintain

Monitor and alert

API recommendations

Core API

Authentication API

Batch API

I have worked on:
Aged Last On Hand By Product Metric
Edited 197 days ago
Allocate and Manage Stock by Sales Channel
Edited 16 days ago
Analytics: Roles & Permissions
Edited 75 days ago
Access to Fluent Analytics is controlled through a combination of permissions and role-based access control (RBAC). This document defines the permission model, role requirements, and configuration patterns for access to Fluent Analytics.Access to Fluent Analytics is controlled through a two-layer model: users must be assigned a role that 
  • has the `ANALYTICS_VIEW` permission AND 
  • is listed in the Analytics Query definition.
Analytics Query Settings
Edited 75 days ago
Analytics Queries are configured through settings that map query names to analytics resources in the Fluent Analytics backend services. Each setting follows the pattern `fc.analytics.queries.{domain}` and defines available queries, their resource locations, access permissions, and optional default parameters. Use this document to:
  • Understand query setting structure and naming conventions
  • Configure new analytics queries
  • Set default parameters for queries
  • Control query access through role-based permissions
Analytics Query Structure
Edited 75 days ago
This document defines the structure and syntax for querying the Fluent Analytics backend services. Analytics Queries reference pre-configured metrics by name (called "targets"), rather than defining individual fields like standard GraphQL queries. Targets provide controlled access to analytics metrics with built-in role-based permissions. Use this document to: 
  • Understand and construct analytics GraphQL queries 
  • Understand target name format and how it links to query settings
  • Configure filter parameters to refine query results 
  • Integrate analytics into dashboards and web applications
Average Fulfillment Time Metric
Edited 170 days ago
Average Fulfillment Time Metric
Edited 72 days ago
Learn about the Average Fulfillment Time Metric in Fluent Analytics
Average Return Order Items Metric
Edited 197 days ago
Average Return Order Items Metric
Edited 72 days ago
Learn about the Average Return Order Items Metric in Fluent Analytics
Average Return Order Value Metric
Edited 197 days ago
Average Return Order Value Metric
Edited 72 days ago
Learn about the Average Return Order Value Metric in Fluent Analytics
New Settings Form Component for Fluent Apps
Edited 532 days ago
Debugging the Component SDK
Edited 632 days ago
Configuring the Fluent Analytics Dashboards: A Step-by-Step Guide
Edited 75 days ago
Display JSON in Mystique (Admin Console)
Edited 545 days ago
Fill Rate Metric
Edited 170 days ago
Utility Bundles - Core, Dynamic and Test
Edited 212 days ago
Fulfillments By Location Metric
Edited 170 days ago
Getting Started with the Utility Bundles
Edited 219 days ago
GraphQL All-In-One Inventory Queries
Edited 639 days ago
Retrieve inventory position, variant product, virtual base position and virtual aggregate position records based on input parameters.
GraphQL Cheatsheet
Edited 639 days ago
  • Collection of GraphQL samples handy for accessing Fluent OMS
GraphQL Inventory Queries
Edited 343 days ago
Sample Inventory Queries that can be used on a daily basis.
GraphQL order by ID with flags in parameter
Edited 639 days ago
Retrieve an order by `id` with flags to drive the retrieval of sub-entities.
GraphQL Product Queries
Edited 301 days ago
Sample Product Queries that can be used on a daily basis
How Sourcing Utilities work
Edited 208 days ago
The articles below will walk you through the Sourcing Utilities (`util-sourcing`), designed to simplify implementing complex sourcing logic and reduce repetitive code.PrerequisitesBefore diving in, make sure you have:
Storing HTTP links on Entities with Attributes (Admin Console)
Edited 545 days ago
Introducing Data Model and GraphQL APIs for Future Inventory and Stock Segmentation
Edited 37 days ago
Inventory Coverage Days Metric
Edited 170 days ago
Inventory Quantity Status Breakdown Metric
Edited 170 days ago
Location Utils
Edited 196 days ago
The `LocationUtils` class in the `util-sourcing` is a utility class that provides utilities for location-based sourcing decisions. It handles location-specific sourcing logic including distance calculations, location availability checks, and provide location-based caching optimization.
IPC vs. IPU – Understanding Inventory Measuring Models in Fluent Commerce
Edited 303 days ago
Fluent Commerce supports two different models for measuring inventory updates: Inventory Position Updates (IPU) and Inventory Position Changes (IPC). These models play a key role in how we track and charge for inventory processing activity on the platform.With the introduction of Inventory Batch Pre-Processing (BPP) and advancements in ingestion optimization, IPC has emerged as the modern, cost-efficient model. This article outlines the differences between IPU and IPC, how they relate to inventory processing, and when each is applicable.
Isolate and Trace Stock by Manufacturer and Batch
Edited 16 days ago
Operations & Monitoring
Edited 7 days ago
There are numerous ways of monitoring the Fluent platform and its functionality. We can distinguish between different types of monitoring, such as business or technical monitoring.
Orchestration & Audit Events
Edited 208 days ago
This article describes the details of the different events in the Fluent platform and provides the required base knowledge for troubleshooting. This article expects that you have a good understanding of the Fluent Event Execution process and how Events are matched before the corresponding business logic is executed.
Order Utils
Edited 193 days ago
The `OrderUtils` class in the `util-sourcing` is a utility class that provides order-specific utilities for sourcing operations. It handles order-related sourcing operations including fulfillment creation, fulfillment type determination, and order item management.
Platform Performance Enhancements - March 2026
Edited 30 days ago
Promise and Reserve Stock Before It Arrives
Edited 16 days ago
Retailer Setup in SSO-Enabled Accounts
Edited 294 days ago
Creating new retailers within an SSO-enabled account involves specific considerations to ensure seamless integration and secure user management. This section provides guidelines on how to set up new retailers effectively post-SSO enablement.
Return Rate Metric
Edited 197 days ago
Return Rate Metric
Edited 72 days ago
Learn about the Return Rate Metric in Fluent Analytics
Return Reason Ratio Metric
Edited 197 days ago
Return Reason Ratio Metric
Edited 72 days ago
Learn about the Return Reason Ratio Metric in Fluent Analytics
Sell Through Rate Metric
Edited 170 days ago
Analytics: Filtering Analytics Queries by Status
Edited 75 days ago
SKU Velocity Metric
Edited 170 days ago
Sold Inventory Metric
Edited 170 days ago
Sourcing Context Utils
Edited 196 days ago
`SourcingContextUtils` in the `util-sourcing` is a utility class for managing sourcing context and data loading operations. It provides methods to create and populate sourcing contexts with order details, unfulfilled items, and supporting data required for sourcing decisions.
Sourcing Utilities Overview
Edited 188 days ago
The `util-sourcing` library is a comprehensive collection of utility functions designed to minimize the overhead and complexity of writing sourcing logic in your Fluent Commerce rules.PrerequisitesThese articles assumes you're familiar with:
  • Java
  • Maven
  • JUnit
Sourcing Utils
Edited 191 days ago
The `SourcingUtils` class in the `util-sourcing` bundle is the main utility class that orchestrates the entire sourcing process within a Rule. It provides core helper methods such as loading a Sourcing Profile, initialise the Sourcing Context, and trigger the execution of the sourcing logic configured in the profile. Each stage supports multiple customisation points throughout the process.
Top 10 Frequently Purchased Products Metric
Edited 170 days ago
Top 10 Products Fulfilled Metric
Edited 170 days ago
Top 10 Reserved Products Metric
Edited 170 days ago
Top 10 Returned Products Metric
Edited 170 days ago
Top 10 Short Picked Products Metric
Edited 170 days ago
Top Returned Products Metric
Edited 197 days ago
Top 10 Returned Products Metric
Edited 72 days ago
Learn about the Top 10 Returned Products Metric in Fluent Analytics
Total Available Metric
Edited 170 days ago
Total Completed Fulfillments Metric
Edited 170 days ago
Total Correction Metric
Edited 170 days ago
Total Escalated Fulfillments Metric
Edited 170 days ago
Total Expired Fulfillments Metric
Edited 170 days ago
Total Failed Fulfillments Metric
Edited 170 days ago
Total On Hand Metric
Edited 170 days ago
Total Partially Fulfilled Fulfillments Metric
Edited 170 days ago
Total Return Amount Metric
Edited 197 days ago
Total Return Amount Metric
Edited 72 days ago
Learn about the Total Return Amount Metric in Fluent Analytics
Total Return Orders Metric
Edited 197 days ago
Total Return Orders Metric
Edited 72 days ago
Learn about the Total Return Orders Metric in Fluent Analytics
Total Successful Fulfillments Metric
Edited 170 days ago
Track and Allocate Stock by Origin and Expiry Date
Edited 16 days ago
REST API Error Codes Overview
Edited 310 days ago
Fluent REST API returns specific HTTP Error Codes which may vary depending on the API endpoint and are explained in this document.
Virtual Position Queries
Edited 639 days ago
Sample Virtual Position Queries that can be used on a daily basis
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