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At the flow level, you can define flow parameters to reference in your recipes. |
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A flow parameter |
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is a variable that is assigned a String value. |
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NOTE: Flow parameters apply to recipe steps only. |
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This override value is applied to all references to the parameter in the flow.
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Tip: |
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Through Flow View, overrides can also be applied to the recipe parameters that are included when flow tasks are executed as part of a plan |
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Override Evaluation
Override values can be applied in multiple locations. Parameter values are evaluated in the following order of precedence (highest to lowest):
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In the column histogram for the paramRegionId column, you can verify that the value 0 is present. Set an override outside at the flow level to insert a different value in the column. For more information, see PARSEINT Function.
Example - Date parameter
Suppose you need to be able to pass a date into the execution of a recipe. If no date is passed in, then the current time is used. The variable is declared as follows:
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If the inserted value is empty or null, you can insert the current timestamp:
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If there is a valid value, then it is written back to the column.See NOW Function.
You can use the following to extract the time value from the parsed date param:
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For more information, see API Workflow - Run Job.
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