# Manage key values
URL: https://docs.datarobot.com/en/docs/workbench/nxt-registry/nxt-jobs-workshop/nxt-key-values-custom-jobs.html

> View and manage key values for a custom job.

# Manage key values for custom jobs

When you create a job, or after running a job, you can create key values from the Assemble tab, or from a run in the Runs tab. In addition, you can edit or delete existing (user-created) key values. For more information on key values, see the [documentation](https://docs.datarobot.com/en/docs/classic-ui/mlops/deployment/registry/reg-key-values.html).

## Add key values

To add a new key value to a custom job:

1. On theAssembletab for a custom job, navigate down to theKey valuessection: TipYou can also add key values to a run on theRunstab.
2. Open the group box for a key values category, click+ Add(or, if one or more key values exist for that category, click+ Add tag,+ Add metric, etc.).
3. In theAdd key value(s)dialog box, configure the following fields: SettingDescriptionCategoryDefaults to the category of the group box where you clicked+ Add. Select one of the following categories for the new key value to organize your key values by purpose:Training parameterMetricTagArtifactValue typeSelect one of the following value types for the new key value:StringNumericBooleanURLJSONYAMLNameEnter a descriptive name for the key in the key-value pair.ValueIf you selected one of the following value types, enter the appropriate data:String: Enter any string up to 4 KB.Numeric: Enter an integer or floating-point number.Boolean: SelectTrueorFalse.URL: A URL in the formatscheme://location; for example,https://example.com. DataRobot does not fetch the URL or provide a link to this URL in the user interface; however, in a downloaded compliance document, the URL may appear as a link.JSON: Enter or upload JSON as a string. This JSON must parse correctly; otherwise, DataRobot won't accept it.YAML: Enter or upload YAML as a string. DataRobot does not validate this YAML.Description(Optional)Enter a description of the key value's purpose.
4. ClickAddto save the key value. The new key appears in the list for the selectedCategory.

## Edit or delete key values

To edit or delete added, copied, or imported key values:

1. On theAssembletab for a custom job, navigate to down to theKey valuessection. TipYou can also manage key values for a run on theRunstab.
2. Open the group box for a key values category, and do either of the following:
3. For key values you've created, you can click the editicon and deleteicon:

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