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The xpxGetSourceInstance function finds the connected source instance from a specified target instance. A connection between the target instance and the source instance must be defined by the xpxMapInstance function before this function can be executed successfully. T
Arguments
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| Type | Name | Comment |
| GENERIC | targetInstance | The target instance id |
| GENERIC | sourceInstance | The connected source instance id.If no connected source instance is found for the specified targetInstance, then the sourceInstance argument is set to zero. |
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