2018-10-17 J1 7A - Microsoft Flow advanced - Serge Luca

1. Serge Luca aka “doctor flow”
Microsoft Flow beyond the limits :
tips, pitfalls, patterns, warnings
#MWCP18

2. Conclusions
The outside
world
Patterns &
Limitations
Flow &
Developers
Citizen
Developer
Agenda

3. Office Apps & services MVP
Business Applications MVP
O365 Architect
@sergeluca
ShareQL Brussels
Office365
Flow
Dev
Architecture
Bullshit
Serge Luca aka “Doctor Flow”

4. Questions ?

5. Microsoft Flow &
Citizen Developers

6. The Flow mobile
app is crucial !

8. Demo
Track your time
Automatic timesheet

9. Demo
Expense report

10. Microsoft Flow &
Developers

11. Create REST
Services
(like Azure
functions)
Create
Connectors
Call REST
APIs from
Flow (HTTP
action)
Integrate
Flow in their
Applications
Developers
Activities

12. Demo
Calling
the Graph API

13. Demo
Custom Connector

14. Patterns & Limitations

15. State machine patternNo State Machine
No custom task
forms
Max 5,000 iterations in Do until
Max 5,000 iterations in For each (100,000 in Plan 1)
Loops
Create nested flows250 actions/flow
Flow Approval
duration : 30 days
Flow duration :
30 days

16. Why State
Machine ?

17. Demo
State Machine Pattern

18. Demo
Manage Errors

19. Demo
Parallelism Pattern

20. Adapt retry policy
Reduce flow concurrency
Use several connectors
Error HTTP 429 : « I’m too busy » come later (in 10 sec)
Flow throttled by the Service (like SharePoint) and by
the Connector (600 calls/min)

21. 202 ACCEPTED
The request has been accepted for
processing, but the processing has not been
completed.
Long Call
Duration Pattern

22. Demo
Asynchronous Long Call

23. Started from
Excel
Started from SP
New Expense
from App
Trigger : Excel for a
selected row
Trigger :
SharePoint for a
selected row
Existing Expense
from App
Trigger :
SharePoint : when an item is
created
Proxy Flows
Service Flow

24. Flow Extensibility
& Communication
With The Outside World

25. ➢ Action When an HTTP Request is received (usually coupled with
Response action)
➢ Action Http
➢ Action Send an http Request to SharePoint
➢ Custom Connector

26. FLOW
DATA ALERTS
DATA SOURCES
POWER BI
SCHEDULED REFRESH
STREAMING DATA
LIVE
POWERQUERY

27. Demo
Flow & Power BI

28. CONCLUSIONS

29. Keep your
forms Simple
Trigger
properties
Accounts Management Environments
Business
logic in Flow
In variables Owners :
ADD Groups
Connectors :
Services
Accounts
(except
personal
flows)
PowerShell
Flow
Management
connector
Use several
DLP

30. Flow can
complement
PowerShell
Manage
Office 365
…Or run
Powershell via
Azure Automation
runbooks/hybrid
Webhooks in
O365
compliance &
audit logs
And much
much more…
This is just the
beginning !

31. Questions ?

32. MODERN WORKPLACE CONFERENCE PARIS
DU 16 AU 18 OCTOBRE 2018
#MWCP18

33. MERCI BEAUCOUP!
THANK YOU! #MWCP18