> For the complete documentation index, see [llms.txt](https://help.metaforms.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.metaforms.ai/open-end-cleaning-and-coding/open-end-coding/1.-configure-coding.md).

# 1. Configure Coding

Use the configuration to control how Metaforms builds the code frames.

#### Code frame structure

Choose one structure:

* **Net:** a single level of code groups with no hierarchy.
* **Subnet:** nested parent and child code groups.

For a Subnet frame, choose:

* **Max depth:** 2 to 5 levels
* **Sub-code format:** numeric, such as `1.1` and `1.2`, or alphanumeric, such as `1A` and `1B`

#### Code count strategy

Choose one strategy:

* **Target codes:** set the approximate number of top-level codes, from 2 to 50.
* **Min % per code:** set the minimum percentage of responses a generated code should represent.
* **Let AI decide:** allow Metaforms to choose the number of codes based on the data.

#### Fixed code buckets

You can include:

* **Other:** a catch-all for responses that do not fit an existing code.
* **None of the above:** for responses that explicitly indicate that no code applies.

For each enabled bucket, set its code number and maximum percentage.

#### Multi-coding

Enable **Allow multiple codes per response** when an answer may cover more than one theme. Then set the maximum number of codes that one response can receive.

When multi-coding is off, each response can have at most one code.

#### Sentiment

Enable **Include sentiment as a coding dimension** to tag coded responses as **Positive**, **Negative**, **Neutral**, or **Mixed**.

#### Code numbering

Set the starting number for the open-end codes for each question.

Expand a question to review its pre-coded options. Use a start number that does not conflict with those existing option codes or with the configured Other and None code numbers.

When the configuration is ready, select **Generate Code Frames**. Metaforms opens Code Frame Review while frames and initial response assignments are generated.

<figure><img src="/files/iEI3fj6bfYWpNAUrXVTb" alt=""><figcaption></figcaption></figure>


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