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Express Yourself: Building Expressions with Microsoft Flow - SPSNYC 2018
- 2. Express Yourself: Building Expressions with Microsoft Flow
- 3. THANK YOU EVENT SPONSORS We appreciate you supporting the New York SharePoint Community! • Diamond, Platinum, Gold, & Silver have tables scattered throughout • Please visit them and inquire about their products & services • To be eligible for prizes make sure to get your bingo card stamped by ALL sponsors • Raffle at the end of the day and you must be present to win!
- 4. EVALS / PRIZES Bring all items to the 6th Info Desk • Bingo Cards = how you win prizes at the end of the event • The cards must be stamped by ALL the Sponsors by the last session (4pm) • Fill out the speakers evaluation (located in the front of the rooms) • Fill out the event evaluations And more … Surface Go Xbox One X
- 5. ABOUT ME • 8+ yeas in SharePoint • SharePoint Citizen Developer • Microsoft Flow Evangelist • Active Flow Community Member • Blogger
- 6. AGENDA • Expressions Overview • Types of Expressions • How Expressions Work • Where Expressions Can Be Used • Data Types • Expression Functions • Actions Replaced by Expressions • Limitations • Demos faustocapellan.com 6
- 7. Overview
- 8. EXPRESSIONS OVERVIEW • Set of functions that can be used for many different things • Manipulate strings • Convert data types • Perform logical functions • Retrieve and manipulate date and time • Perform math function • Flow leverages the Azure Logic Apps Workflow Definition Language faustocapellan.com 8
- 9. TYPES OF EXPRESSIONS Basic Contain one function with one or more parameters faustocapellan.com 9
- 10. TYPES OF EXPRESSIONS Advanced Contain more than one function with one or more parameters faustocapellan.com 10
- 11. HOW EXPRESSIONS WORK • Expressions are executed the same way as math operations: from inside out addDays(timestamp, days, format) addDays(startOfMonth(utcNow()), -1, ‘MM-dd-yyyy’) faustocapellan.com 11 Parameter 1 Parameter 2 Parameter 3
- 12. Demo: Basic and Advanced Expressions
- 13. WHERE EXPRESSIONS CAN BE USED Actions faustocapellan.com 13
- 14. WHERE EXPRESSIONS CAN BE USED Conditions faustocapellan.com 14
- 15. DATA TYPES • String Represent alphanumeric data such as letters, numbers, spaces, symbols, punctuation marks • Integer Whole numbers without decimal. Can be either positive, negative, or zero • Float Decimal number • Boolean Represents two values: true or false faustocapellan.com 15
- 16. DATA TYPES (Continued…) • Arrays Represent a collection of elements, each selected by one or more indices (identifying keys) that can be computed at runtime during the execution of a program • Dictionaries Represent a collection of key and value, and provides a mapping of the set of keys with their values. Every key in a Dictionary must be unique and cannot be null • Forms Contain elements called controls - textbox, dropdown, radio button - and each control manages a specific data type. These controls are used to display information to the user or receive information from the user faustocapellan.com 16
- 17. EXPRESSION FUNCTIONS • String Functions Can be used to manipulate strings, such as concatenate strings, replace a string within a string, and convert strings to upper or lowercase • Collection Functions Operate over collections and generally apply to Arrays, Strings, and sometimes Dictionaries • Logical Functions Can be used to evaluate any type of logic within Flow, such as If and Equals faustocapellan.com 17
- 18. EXPRESSION FUNCTIONS (Continued…) • Conversion Functions Can be used to convert data between each of the native types, such as String, Integer, Float, Boolean, Arrays, Dictionaries, and Forms • Math Functions Can be used to do calculations for either type of numbers: integers or floats • Date and Time Functions Can be used to retrieve and format date and time, convert time zones, add days, and get future and past time faustocapellan.com 18
- 19. EXPRESSION FUNCTIONS (Continued…) • Workflow Functions Get information about the workflow itself at runtime, such as name, type, id, location, and run • URI Parsing Functions Provide the ability to parse URLs. From a given URL, you can select hostname, path, port, scheme, and query segments • Manipulation Functions Apply to XML and JSON objects. Some are used to return the first non-null object passed in an argument, while others are used to add, set, or remove properties from an object faustocapellan.com 19
- 20. ACTIONS REPLACED BY EXPRESSIONS • Expressions that can be used to replace some actions if(expression, valueIfTrue, valueIfFalse) first(collection) last(collection) faustocapellan.com 20
- 21. Demo: Actions Replaced By Expressions
- 22. LIMITATIONS • Expression Evaluation Limit • A Flow expression can evaluate up to 131,072 characters • Max Number of Characters Per Expression • Flow allows a maximum of 8,192 characters per expression faustocapellan.com 22
- 23. Demo: Due Tasks Notifications
- 24. SUMMARY Expressions Overview Types of Expressions How Expressions Work Where Expressions Can Be Used Data Types Expression Functions Actions Replaced By Expressions Limitations Demos faustocapellan.com 24
- 25. SHAREPINT Beer Authority 300 W 40h St [across the street] Join us for a round of drinks http://www.beerauthoritynyc.com