Currently in draft. Requires technical input from Eleanor and context input from Skevi.
This page is for application designers who need to configure specific operations that will change data in the stream.
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A stream item action, or SIA, belongs to a stream. It represents the smallest, specific operation that can happen to the data in the stream. To configure an Action, add several SIAs from different streams. In the action you also specify the conditions or rules under which the SIA will run; see SIA Rule.
To create a stream item action:
- either open a stream's properties. In the Stream Item Action section, click
.Insert excerpt _add _add nopanel true - or open the repository branch for a stream. Right-click Stream Item Actions and select
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In both cases, PhixFlow opens a new stream item action properties tab. Use the following properties to configure the stream item action.
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Basic Settings
Field | Description | ||||||||||||||||||||||||||||||||
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Name | Enter the name of the stream item action. | ||||||||||||||||||||||||||||||||
Stream Item Action | Select the type of operation:
The remaining options available in Basic Settings depend on the type of operation you select.
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Attributes to Update | This option is only available where Stream Item Action is Insert. This section has a toolbar with standard buttons and The grid contains a list of attributes on which the stream item action will operate. If the grid is empty, the stream item action will operate on all attributes in the stream. To add stream attributes to the grid, in the toolbar, click
To create a new attribute, click
The grid displays information from the action attribute:
To remove an attribute from the grid, use the
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Filter Type | This option is only available where Stream Item Action is Delete or Update. Select an option from the drop-down list. The action will only apply to the records that:
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Target View | This option is only available where Stream Item Action is Delete or Update. Enter ??a stream item view or dashboard name?? to change the view to which the action applies Where Filter Type is one of Selected Items, Edited Items or View Filter, this is where it gets the records from??. | ||||||||||||||||||||||||||||||||
Condition | This option is only available where Stream Item Action is Delete or Update and Filter Type is Action Filter. Create a filter to specify the records to which the action applies. Expressions in this filter can refer items on the view or dashboard from which this action was initiated, for example:
Configure this filter in the same way that you would a pipe filter. | ||||||||||||||||||||||||||||||||
Copy Values By Name | This option is only available where Stream Item Action is Insert or Update. Specify what to do if the dashboard from which the action was initiated includes more attributes than those listed in the properties grid Attributes to Update.
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Maximum Items Expr. | This option is only available where Stream Item Action is Delete or Update. Enter an expression that evaluates to a number??. The number limits how many records or cells ?? that this action can affect. | ||||||||||||||||||||||||||||||||
Minimum Items Expr. | This option is only available where Stream Item Action is Delete or Update. Enter an expression that evaluates to a number??. The number specifies the minimum number of records or cells ?? that this action can affect. |
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Not sure what this is for. A data source itself is just a name.
This section has a toolbar with standard buttons and
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Optionally create data sources that affect this stream item action how ??.
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