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Field Service Lightning: Empowering Technicians in the Field

Glumes TeamJanuary 30, 202610 min read

The data model in one picture

Work Order
  ├─► Work Order Line Items  (billable materials/labor)
  └─► Service Appointment    (scheduled unit — Optimizer plans these)
        ├─ Assigned Resource (Service Resource)
        └─ Service Territory (dispatch region)

Service Resource
  ├─ Skills / Certifications
  └─ Time Sheets

Everything the Optimizer touches is a Service Appointment — Work Orders are the business record.

Scheduling & Optimizer

Enhanced Scheduling & Optimization (ESO) replaces the legacy engine. Configure with:

  • Scheduling Policies — hard/soft rules per business scenario
  • Work Rules — match required skills, service territory membership
  • Service Objectives — weighted scoring (minimize travel + maximize SLA)
Objective weights (example):
  Minimize Travel:  0.30
  Preferred SR:     0.20
  Balance workload: 0.15
  Meet SLA:         0.35

Run In-Day Optimization every 15 minutes and Overnight Optimization for the next 2 days.

Offline-first mobile

The FSL mobile app is offline-first. Configure the Briefcase Builder for each profile:

Briefcase: Field Tech - HVAC
  Work Order:          scheduled + status != Completed within 7 days
  Service Appointment: assigned to me, next 7 days
  Product Item:        van inventory (Location = my van)
  Knowledge Article:   published, category = HVAC

Test airplane-mode workflows end-to-end. Conflict resolution runs on reconnection — Last Write Wins is rarely what you want; use a merge Flow.

IoT-triggered work orders

With Data Cloud + Flow:

IoT event stream (MQTT) → Data Cloud Streaming Ingestion
   → Calculated Insight: Asset temp > threshold for 10 min
     → Data Action → Flow: create Work Order, priority = High
       → ESO schedules Service Appointment automatically

The technician's mobile app buzzes within seconds. First-time fix rate typically improves 15–20% because parts get pre-staged.

Parts management

  • Product Item = inventory at a Location (warehouse, van, customer site)
  • Product Transfer moves stock, updates counts
  • Product Consumed on Work Order deducts van stock and posts revenue

Enable Van Stock Optimization — a nightly job restocks based on last 30 days consumption.

Signature, photos, and PDFs

Use Enhanced Document Generation to render a signed Service Report:

Template: "Service Report v3.docx" (Word template with merge fields)
Data Source: Work Order + Service Appointment + Signatures
Output: PDF attached to Work Order, emailed to customer

KPIs to expose on day one

  • First-Time Fix Rate
  • Utilization (billable hrs / available hrs)
  • Mean Time to Repair
  • SLA Compliance %
  • Travel-to-Wrench Ratio

Build one CRM Analytics dashboard for dispatchers and one for ops leadership. Skip the tech-level dashboards — the mobile app is enough.

Field ServiceService CloudMobile

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