Dynamic Apps Platform : webMethods BPM Process Development Help : Process Engine Processing : About Joins : About Complex Join Expressions : Defining a Complex Join Expression
Defining a Complex Join Expression
If no join expression is defined, process generation will fail with an error stating that the join condition is invalid.
To define a complex join expression
1. In an open process, click a step that has a complex join to select it.
2. Click the Implementation page in the Properties view.
3. In the Join Condition area, use the join expression editor controls to create the expression you want, as described in About Complex Join Expressions.
4. Save the process.
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