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Power Platform Community / Forums / Power Apps - Power Apps Experimental Features / Declare User Defined D...
Power Apps - Power Apps Experimental Features
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Declare User Defined Data Types for Powerapps Canvas

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Posted on 1 Nov 2024 18:42:33 by qwertyuiop 8
Hi,
 
I saw in the latest update that powerapps supports custom data types to be used in UDFs. Can you help describe how to declare them
 
  • IAmIntractable Profile Picture
    IAmIntractable 258 on 08 Jan 2025 at 20:44:48
    Declare User Defined Data Types for Powerapps Canvas
    I don't believe this is a general release feature yet.
  • Suggested answer
    adithyaselv Profile Picture
    adithyaselv Microsoft Employee on 04 Jan 2025 at 23:19:17
    Declare User Defined Data Types for Powerapps Canvas
    Hi,

    You can declare a user-defined time in the Formulas property similar to UDF and then use it in UDF . Please find a simple example below.

    -----
     
    //Record type
    Point := Type({x: Number, y: Number});
     
    // UDF to compute distance between two points
    distance(a:Point,b:Point):Number = Sqrt(Power(b.x - a.x, 2) + Power(b.y-a.y, 2));
     
    //Table type
    Points := Type([Point]);
     
    // UDF to check if the given table of points contains a particular point
    containsPoint(points: Points, target:Point): Boolean = CountIf(points, ThisRecord.x = target.x && ThisRecord.y = target.y) > 0;

    ----

    notice that you need to use := to declare user-defined type. Type is a special function used to construct a type definition.
  • adithyaselv Profile Picture
    adithyaselv Microsoft Employee on 04 Jan 2025 at 23:08:58
    Declare User Defined Data Types for Powerapps Canvas
    Hi,

    You can declare a user-defined time in the Formulas property similar to UDF and then use it in UDF . Please find a simple example below.

    -----
     
    //Record type
    Point := Type({x: Number, y: Number});
     
    // UDF to compute distance between two points
    distance(a:Point,b:Point):Number = Sqrt(Power(b.x - a.x, 2) + Power(b.y-a.y, 2));
     
    //Table type
    Points := Type([Point]);
     
    // UDF to check if the given table of points contains a particular point
    containsPoint(points: Points, target:Point): Boolean = CountIf(points, ThisRecord.x = target.x && ThisRecord.y = target.y) > 0;

    ----

    notice that you need to use := to declare user-defined type. Type is a special function used to construct a type definition.

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