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This page is for application designers who need to configure specific operations that will change data in the stream.

A stream item action belongs to a stream. It represents the smallest, specific operation on the data in a stream. 

Add stream item actions to an Action to configure operations that change the data in the stream. In the action, you can specify the conditions or rules under which the stream item action will run.

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Basic Settings

FieldFor OperationDescription
Name
The name of the stream item action
Stream Item Action

Select the type of operation.

  • None 
  • Insert
  • Delete
  • Update

The options available in Basic Settings depend on the type of operation you select.

Copy Values by Name

Insert

Update

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Attributes to UpdateInsert

This section has a toolbar with standard buttons and 

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.

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 

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. PhixFlow opens the list of stream attributes. Drag attributes into the grid.

The grid displays:

  • Order: The order in which the rules are evaluated.
  • Name: The backing stream.
  • Expression: Any expression that has been defined for the attribute.

In the grid, double-click an attribute to open its properties. To remove an attribute from the grid, use the

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 in the toolbar.

Filter Type

Delete

Update

Select an option that tells the action which data records are affected.

  • Selected items
  • Edited Items
  • View Filter
  • Action Filter
  • Dragged Items
  • Drop target Items
Target View

Delete

Update

???
Maximum Items Expr.

Delete

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.

Delete

Update

Enter an expression that evaluates to a number??. The number specifies the minimum number of records or cells ?? that this action can affect.

Data Sources

This section has a toolbar with standard buttons and 

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Optionally create data sources that affect this stream item action how ??.

To create a data source, in the toolbar, click 

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. PhixFlow opens a new properties tab for the data source. Enter the name and save. PhixFlow adds the data source to the stream item action.

In the grid, double-click a data source to open its properties. To remove a data source from the grid, use the

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 in the toolbar.

Action Validation

FieldDescription
Validation Expression

Enter an expression. Examples

...