UFactory XARM User Manual page 173

1.6.14 Function
【to (do something)】
Users can define a new function without a return value.
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【to (do something) return []】
Users can define a new function with a return value.
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【if [] return []】
Conditional judgment sentence that can only be placed in the built-in
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function.
Note:
1. The defined function should be placed in front of the main programs.
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