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Fiona Sargeant (Unlicensed)

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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.

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

Add stream item actions to an Action to configure operations that change the data in the streamUse the following properties to configure the stream item action.

You can configure an Action by adding several stream item actions from different streams. In the action , you can specify also specify the conditions or rules under which the stream item action will run.

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Basic Settings

Field
For
For Type of OperationDescription
Name
The

All

Enter the name of the stream item action.
Stream Item Action

All

Select the type of operation

.

:

  • None 
  • Insert
  • Delete
  • Update

The remaining 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

Is the following true?

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

Is there helpful information we can add for this??

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

What's this for??
?
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

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 ??.

...

FieldDescription
Validation Expression

Enter an expression. Examples??