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pxtrace.ArgExpr
Specifies a function argument to trace.
Extracts the function argument, as specified by the provided expression. Traceable types are base types (int, float, etc.), strings and byte arrays. Base-type arguments are specified directly (arg1), while struct members are accessed using dotted notation (arg1.foo). The dot operator works on both pointer and non-pointer types.
Arguments
| Name | Type | Description |
|---|---|---|
| expr | str | The expression to evaluate. |
Returns
px.TracingField: A materialized column pointer to use in output table definitions.
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