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This page is for application designers who need to configure functionality for components or events. It explains the properties for the calculate node and associated expressions, which is part of an actionflow.

 node from the .Connect the  to the  node.
  • To pass data into the actionflow, go to the Inputs section on the left. Connect the component input connection point ScreenToOpen to the calculate node.
  • Click on the calculate node to open its properties.
    • In the Attributes section, add a new calculate attribute and set:
  • Name to Message

    • Expression to:

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    Overview

    Use a 

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    node to manipulate data that is passed to it. Calculate nodes have their own attributes, which can reference incoming data via expressions using one or more of the 115+ functions available in PhixFlow.

    Example

    Click to play the following video that shows an example of using a calculate node in an actionflow.

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    The video shows an actionflow that opens a new screen containing a dynamic text field. It then populates the dynamic text field with a message, which is set in a calculate node attribute. The steps for are:

  • Drag a calculate node from the toolbar and drop it into the actionflow diagram.
  • Name the calculate something meaningful, e.g. Set Message
    • Disconnect the
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    "You have successfully set up a calculate node"
  • Map the calculate attribute to the dynamic text field on the screen as follows: 

    1. Right-click on the connection and click Configure Mappings.

    2. Drag the Message attribute from the calculate node, on the left, to the Message attribute on the open screen, on the right.
    3. Close the mapping screen.
    • The actionflow configuration is complete.
    Tip

    After configuring an actionflow, always test the actionflow to make sure it works.

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    For a worked example, see Calculate Action Configuration.

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    Basic Settings

    FieldDescription
    NameEnter the name for the action node.
    Description

    We recommend that you always enter a description to explain the purpose of this item.

    Output Attributes
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    Calculate actions process data using expressions; see pages in the topic Expressions and PhixScripts.

    This section has a toolbar with standard buttons. The grid contains a list of the expressions that the calculate action will perform. 

    • To add a new expression, in the section toolbar click 
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       to open a new expression and set the properties.
    • To edit an existing expression, double-click it in the list to open its properties.
    • To remove an expression, select one and in the section toolbar click 
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      .
    • To reorder an attribute, drag and drop the attribute into the desired position. Alternatively, double-click to open its properties and update the Order field.
    • Click 
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      . PhixFlow opens the properties for a new calculate attribute; see       Calculate Attributes Properties, below.

    Create New Output Attribute

    Field

    		Description
    NameEnter the name of the calculate attribute.
    Type

    Select one of the data types:

    • String
    • Bigstring
    • Integer
    • Float
    • Decimal
    • Date
    • Datetime
    • Graphic
    • TrueFalse
    • Structured Data
    Note

    Make sure you select the same data type as that of the attribute to which you are mapping; see Understanding Data Types.


    Order

    Where the calculate action runs multiple expressions, enter a number to indicate the order in which this expression will be run.

    Remember that an expression that generates a value must run before any expression that uses the value.

    Expression

    Enter an expression. To work in a larger popup window, click 

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    .

    See also:

    Input Connections

    This section has a toolbar with standard buttons. The grid contains a list of the connection points that connect into this calculate node.

    • To add a new input connection point, in the section toolbar click 
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        and set the properties.
    • To edit an existing connection point, double-click it in the list to open its properties.
    • To remove a connection points, select one and in the section toolbar click 
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      .

    For details about the Name, Type and Data Attributes properties of the input connection point, see Input Connection Points.

    Advanced

    FieldDescription

    Prioritise Throughput Over Ordering

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    Learn More

  • Understanding Actionflows
    • Creating Actionflows

    For links to all pages in this topic, see Understanding Actionflows. 

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