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Flow Data Utility (ODS and variables) (Magic xpi 4.13)

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Created ByKnowledge Migration User
Approval Process StatusPublished
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Description

Flow Data Utility (ODS and Variables) (Magic xpi 4.13)

The Flow Data utility is used to control the flow of data between, and within, Magic xpi project flows. You can use this service to work with ODS data, flow variables, environment variables, and user parameter data. For example, you can update the value of a flow variable automatically in a flow by using the Flow Data utility. To do this, you use the Update action and choose Flow Variable as the Type. Then select the Update Expression to indicate the data's origination. If you want to update the text associated with a flow variable you should enter the following in the table in the Flow Data Utility Configuration dialog box.

The following table describes the type of actions and data that you can control with the Flow Data utility.

Action

What it does

Data Types this action supports

Update

Update replaces data or adds data to a variable. For example, you can add the contents of a file to a User BLOB or User String. You can also change the value of a flow variable.

If you update an ODS in a step and that ODS does not exist, Magic xpi will create an ODS.

Flow Variable

Context Variable

Global Variable

BP Variable

ODS Global

ODS Local

Environment Variable

Clear

Clear deletes data in a variable. For example, you can clear all the contents of a User BLOB or User String or clear the current value of a flow variable.

Flow Variable

Context Variable

Global Variable

BP Variable

ODS Global

ODS Local

Environment Variable

Reset

Reset changes the value of a flow variable to the original default value entered when creating the value. This option is used only if you entered a default value when creating the flow variable.

Flow Variable

Context Variable

Global Variable

BP Variable

Delete

Delete erases an ODS entry. This erases the data at the User Key level, and that User Key no longer exists.

When you select Clear (see above) the information contained in the ODS entry is erased, however the User Key remains and you can add or change the data at any time.

ODS Global

ODS Local

Insert

Insert adds data to an ODS Key Index. An Index is part of an ODS Array, which allows you to enter more multiple data in a single ODS key. The individual data entries for the array are contained in an index.

ODS Global

ODS Local

  • You can use the Flow Data utility to update environment variables. The value is only changed for the duration of the current execution, and is not saved when the Server stops. The value is recognized by all the steps in the same thread that uses the environment variable.

  • Usage of the UDSSet function in the Flow Data utility should be updated in a Numeric flow variable (return value of the function) and the Source and Destination variable names should be surrounded with single quotes ( '), for example:
    UDSSet( 'F.MyDestinationUDS','F.MySourceUDS','TRUE'LOG,'MyUDSModule1'

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