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AAE-39559 Update to handle 0 initial rows for repeatable sections (#12113)

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* AAE-39559 Update to handle 0 initial rows for repeatable sections

* address code review comments
This commit is contained in:
Darren Thornton
2026-08-04 10:53:19 -05:00
committed by GitHub
parent 3d01611249
commit 72522c0f72
4 changed files with 141 additions and 12 deletions
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docs/core/models/form-field.model.md
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@@ -50,6 +50,7 @@ Contains the value and metadata for a field of a [`Form`](../../../lib/process-s
| numberOfColumns | number | 1 | Number of columns defined by a container field |
| fields | [`FormFieldModel`](../../core/models/form-field.model.md)\[] | \[] | Fields contained within a container field |
| columns | [`ContainerColumnModel`](../../../lib/core/src/lib/form/components/widgets/core/container-column.model.ts)\[] | \[] | Column definitions for a container field |
| rows | [`ContainerRowModel`](../../../lib/core/src/lib/form/components/widgets/core/container-row.model.ts)\[] | \[] | Row definitions for a repeatable section field |
| emptyOption | [`FormFieldOption`](../../../lib/core/src/lib/form/components/widgets/core/form-field-option.ts) | | Dropdown menu item to use when no option is chosen |
| validationSummary | string | | Error/information message added during field validation (see [`FormFieldValidator`](../../../lib/core/src/lib/form/components/widgets/core/form-field-validator.ts) interface) |
@@ -95,6 +96,17 @@ The [REST Call Task 101](https://community.alfresco.com/community/bpm/blog/2016/
tutorial on the [APS community site](https://community.alfresco.com/community/bpm)
contains full details about how the REST calls work, along with a worked example.
### Repeatable sections
Repeatable section fields (`type: 'repeatable-section'`) support an `initialNumberOfRows` parameter in `params`.
Setting `initialNumberOfRows` to `0` is valid: the section starts with no runtime rows and users add rows via the **Add row** action.
When no rows exist, `columns` holds a design-time column template (used by form editors and form-rules).
Template fields are bound to the form for rendering but are marked as templates and do not write to `form.values`.
No row data is written to `form.values` until the user adds a row or saved values are loaded from the server.
If saved values are present on the field (`value` array), row count is derived from `value.length` (subject to `maxNumberOfRows`), regardless of `initialNumberOfRows`.
## See also
- [Extensibility](../../user-guide/extensibility.md)