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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.
Overview
Image ModifiedUse a
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Example
Click to play the following video that shows an example of using a calculate node in an actionflow. name View file
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:height 250
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
node from theInsert excerpt _action_screen _action_screen nopanel true
.Insert excerpt _driving_interface_connection_point _driving_interface_connection_point nopanel true Connect the
to theInsert excerpt _driving_interface_connection_point _driving_interface_connection_point nopanel true
node.Insert excerpt _action_calculate _action_calculate nopanel true 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:
Code Block "You have successfully set up a calculate node"
Map the calculate attribute to the dynamic text field on the screen as follows:
Right-click on the connection and click Configure Mappings.
Drag the Message attribute from the calculate node, on the left, to the Message attribute on the open screen, on the right.
Close the mapping screen.
The actionflow configuration is complete.
Tip |
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After configuring an actionflow, always test the actionflow to make sure it works. |
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Basic Settings
Field | Description | ||||||||||||||||||||
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Name | Enter the name for the action node. | ||||||||||||||||||||
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Pass Through | Specify whether or not to allow data that has not been processed to pass through to the next action node.
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Input Connection Points
This section has a toolbar with standard buttons. The 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
and set the properties.Insert excerpt _add _add nopanel true 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
.Insert excerpt _delete _delete nopanel true
For details about the Name, Type and Data Attributes properties of the input connection point, see Input Connection Points.
Calculate Attributes
Calculate actions process data using expressions; see pages in the topic Expressions and PhixScripts.
This section has a toolbar with standard buttons. The The grid contains a list of the expressions that the calculate action will perform.
To add a new expression, in the section toolbar click
to open a new expression and set the properties.Insert excerpt _add _add nopanel true 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
.Insert excerpt _delete _delete nopanel true 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
. PhixFlow opens the properties for a new calculate attribute; see Calculate Attributes Properties, below.Insert excerpt _add _add nopanel true
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Calculate Attributes Properties
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Basic Settings
Field | Description | ||||||||||||||||
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Name | Enter the name of the calculate attribute. | ||||||||||||||||
Type | Select one of the data types:
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Attribute Name |
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Expression | Enter an expression. To work in a larger popup window, click
See also: | ||||||||||||||||
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. |
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Save and close the calculate attribute properties to return to the calculate properties.
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Learn More
For links to all pages in this topic, see Understanding Actionflows.
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