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new 7466c8f9 docs: sync from apache/texera@a7f4386
7466c8f9 is described below
commit 7466c8f9df988fd47b68583b67e0cb3ed55d51e9
Author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
AuthorDate: Mon Aug 10 18:50:37 2026 +0000
docs: sync from apache/texera@a7f4386
Automated sync of docs/ -> content/docs/latest/ from apache/texera.
Source commit: a7f4386ba7ccb58155e44f79c8e10a25e60d2208
Workflow run: https://github.com/apache/texera/actions/runs/31421097093
---
.../python/1-out-python-udf.md | 5 +++++
.../user-defined-functions/python/2-in-python-udf.md | 5 +++++
.../user-defined-functions/python/_index.md | 20 ++++++++++++++++++++
.../user-defined-functions/python/python-udf.md | 5 +++++
4 files changed, 35 insertions(+)
diff --git
a/content/docs/latest/reference/operators/user-defined-functions/python/1-out-python-udf.md
b/content/docs/latest/reference/operators/user-defined-functions/python/1-out-python-udf.md
index 191d0bb1..fc993ef5 100644
---
a/content/docs/latest/reference/operators/user-defined-functions/python/1-out-python-udf.md
+++
b/content/docs/latest/reference/operators/user-defined-functions/python/1-out-python-udf.md
@@ -47,12 +47,17 @@ tags: [user-defined-functions, python]
| Columns | | List<Attribute> | - | The columns of the source |
| ↳ Attribute Name | ✓ | String | - | |
| ↳ Attribute Type | ✓ | string, integer, long, double, boolean,<br>timestamp,
binary, large_binary | - | |
+| Parameters | | List<UiUDFParameter> | - | Values inferred from active
`self.UiParameter(...)` calls.<br>See [UI parameters](../#ui-parameters). |
#### Default Code Template
**Python script**
```python
+# Define UiParameter inside GenerateOperator.open().
+# Example: self.count = self.UiParameter("count", AttributeType.INT).value
+# See the Python UDF operator documentation for supported types and behavior.
+#
# from pytexera import *
# class GenerateOperator(UDFSourceOperator):
#
diff --git
a/content/docs/latest/reference/operators/user-defined-functions/python/2-in-python-udf.md
b/content/docs/latest/reference/operators/user-defined-functions/python/2-in-python-udf.md
index 83757a73..fbb26d5d 100644
---
a/content/docs/latest/reference/operators/user-defined-functions/python/2-in-python-udf.md
+++
b/content/docs/latest/reference/operators/user-defined-functions/python/2-in-python-udf.md
@@ -48,6 +48,7 @@ tags: [user-defined-functions, python]
| Extra output column(s) | | List<Attribute> | - | Name of the newly added
output columns that the<br>UDF will produce, if any |
| ↳ Attribute Name | ✓ | String | - | |
| ↳ Attribute Type | ✓ | string, integer, long, double, boolean,<br>timestamp,
binary, large_binary | - | |
+| Parameters | | List<UiUDFParameter> | - | Values inferred from active
`self.UiParameter(...)` calls.<br>See [UI parameters](../#ui-parameters). |
#### Default Code Template
@@ -55,6 +56,10 @@ tags: [user-defined-functions, python]
```python
# Choose from the following templates:
+#
+# Define UiParameter inside open() of ProcessTupleOperator,
ProcessBatchOperator, or ProcessTableOperator.
+# Example: self.count = self.UiParameter("count", AttributeType.INT).value
+# See the Python UDF operator documentation for supported types and behavior.
#
# from pytexera import *
#
diff --git
a/content/docs/latest/reference/operators/user-defined-functions/python/_index.md
b/content/docs/latest/reference/operators/user-defined-functions/python/_index.md
index 8283c8bd..2d1f888f 100644
---
a/content/docs/latest/reference/operators/user-defined-functions/python/_index.md
+++
b/content/docs/latest/reference/operators/user-defined-functions/python/_index.md
@@ -49,3 +49,23 @@ tags: [user-defined-functions, python]
| [Python UDF](python-udf/) | User-defined function operator in Python script |
**Total**: 5 operators
+
+## UI parameters
+
+The Python UDF, 2-in Python UDF, and 1-out Python UDF operators can expose
values in the property panel. Declare each value with `self.UiParameter(...)`
inside the UDF class's `open()` method, then use its `.value` in later methods.
+
+```python
+from pytexera import *
+
+class ProcessTupleOperator(UDFOperatorV2):
+ @overrides
+ def open(self):
+ self.count = self.UiParameter("count", AttributeType.INT).value
+
+ @overrides
+ def process_tuple(self, tuple_: Tuple, port: int):
+ # self.count contains the value entered in the property panel.
+ yield tuple_
+```
+
+Active calls are inferred from the script; commented-out calls are ignored.
The supported classes are `ProcessTupleOperator`, `ProcessBatchOperator`,
`ProcessTableOperator`, and `GenerateOperator`. Supported types are `STRING`,
`INT`/`LONG`, `DOUBLE`, `BOOL`, and `TIMESTAMP`. Empty strings are valid for
`STRING`; all other types require a non-empty value before execution.
diff --git
a/content/docs/latest/reference/operators/user-defined-functions/python/python-udf.md
b/content/docs/latest/reference/operators/user-defined-functions/python/python-udf.md
index f8d2fad6..430f66ff 100644
---
a/content/docs/latest/reference/operators/user-defined-functions/python/python-udf.md
+++
b/content/docs/latest/reference/operators/user-defined-functions/python/python-udf.md
@@ -48,6 +48,7 @@ tags: [user-defined-functions, python]
| Extra output column(s) | | List<Attribute> | - | Name of the newly added
output columns that the<br>UDF will produce, if any |
| ↳ Attribute Name | ✓ | String | - | |
| ↳ Attribute Type | ✓ | string, integer, long, double, boolean,<br>timestamp,
binary, large_binary | - | |
+| Parameters | | List<UiUDFParameter> | - | Values inferred from active
`self.UiParameter(...)` calls.<br>See [UI parameters](../#ui-parameters). |
#### Default Code Template
@@ -55,6 +56,10 @@ tags: [user-defined-functions, python]
```python
# Choose from the following templates:
+#
+# Define UiParameter inside open() of ProcessTupleOperator,
ProcessBatchOperator, or ProcessTableOperator.
+# Example: self.count = self.UiParameter("count", AttributeType.INT).value
+# See the Python UDF operator documentation for supported types and behavior.
#
# from pytexera import *
#
