form.xml

<?xml version="1.0" encoding="UTF-8"?>
<form xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
	<argument name="data" xsi:type="array">
		<item name="js_config" xsi:type="array">
			<item name="provider" xsi:type="string">productaddons_options_form.options_form_data_source</item>
			<item name="deps" xsi:type="string">productaddons_options_form.options_form_data_source</item>
		</item>
		<item name="label" xsi:type="string" translate="true">Option Form</item>
		<item name="layout" xsi:type="array">
			<item name="type" xsi:type="string">tabs</item>
		</item>

		<item name="buttons" xsi:type="array">
			<item name="back" xsi:type="string">FullStak\ProductAddons\Block\Adminhtml\Options\Edit\BackButton</item>
			<item name="delete" xsi:type="string">FullStak\ProductAddons\Block\Adminhtml\Options\Edit\DeleteButton</item>
			<item name="reset" xsi:type="string">FullStak\ProductAddons\Block\Adminhtml\Options\Edit\ResetButton</item>
			<item name="save" xsi:type="string">FullStak\ProductAddons\Block\Adminhtml\Options\Edit\SaveButton</item>
		</item>
	</argument>

	<dataSource name="options_form_data_source">
		<argument name="dataProvider" xsi:type="configurableObject">
			<argument name="class" xsi:type="string">FullStak\ProductAddons\Model\Options\DataProvider</argument>
			<argument name="name" xsi:type="string">options_form_data_source</argument>
			<argument name="primaryFieldName" xsi:type="string">productaddons_option_id</argument>
			<argument name="requestFieldName" xsi:type="string">id</argument>
			<argument name="data" xsi:type="array">
				<item name="config" xsi:type="array">
					<item name="get_custom_url" xsi:type="url" path="bulkoptions/options/search"/>
				</item>
			</argument>
		</argument>
		<argument name="data" xsi:type="array">
			<item name="js_config" xsi:type="array">
				<item name="component" xsi:type="string">Magento_Ui/js/form/provider</item>
			</item>
		</argument>
	</dataSource>

	<fieldset name="option">
		<argument name="data" xsi:type="array">
			<item name="config" xsi:type="array">
				<item name="label" xsi:type="string" translate="true"></item>
			</item>
		</argument>
		<fieldset name="main">
			<argument name="data" xsi:type="array">
				<item name="config" xsi:type="array">
					<item name="label" xsi:type="string" translate="true">Option bundle information</item>
					<item name="collapsible" xsi:type="boolean">true</item>
					<item name="opened" xsi:type="boolean">true</item>
				</item>
			</argument>

			<field name="productaddons_option_id">
				<argument name="data" xsi:type="array">
					<item name="config" xsi:type="array">
						<item name="visible" xsi:type="boolean">false</item>
						<item name="dataType" xsi:type="string">text</item>
						<item name="formElement" xsi:type="string">input</item>
						<item name="source" xsi:type="string">option</item>
					</item>
				</argument>
			</field>

			<field name="name">
				<argument name="data" xsi:type="array">
					<item name="config" xsi:type="array">
						<item name="label" xsi:type="string">Name</item>
						<item name="visible" xsi:type="boolean">true</item>
						<item name="dataType" xsi:type="string">text</item>
						<item name="formElement" xsi:type="string">input</item>
						<item name="source" xsi:type="string">option</item>
					</item>
				</argument>
			</field>

			<field name="comment">
				<argument name="data" xsi:type="array">
					<item name="config" xsi:type="array">
						<item name="label" xsi:type="string">Comment</item>
						<item name="visible" xsi:type="boolean">true</item>
						<item name="dataType" xsi:type="string">text</item>
						<item name="formElement" xsi:type="string">input</item>
						<item name="source" xsi:type="string">option</item>
					</item>
				</argument>
			</field>
		</fieldset>

		<fieldset name="group">
			<argument name="data" xsi:type="array">
				<item name="config" xsi:type="array">
					<item name="label" xsi:type="string" translate="true">Customizable options</item>
					<item name="collapsible" xsi:type="boolean">true</item>
					<item name="opened" xsi:type="boolean">true</item>
				</item>
			</argument>

			<dynamicRows name="optiongroup">
				<settings>
					<addButtonLabel translate="true">Add Option</addButtonLabel>
					<dndConfig>
						<param name="enabled" xsi:type="boolean">true</param>
						<param name="draggableElementClass" xsi:type="string">_dragged</param>
						<param name="tableClass" xsi:type="string">table.admin__dynamic-rows</param>
					</dndConfig>
					<additionalClasses>
						<class name="admin__field-wide">true</class>
					</additionalClasses>
				</settings>
				<container name="record" component="Magento_Ui/js/dynamic-rows/record">
					<argument name="data" xsi:type="array">
						<item name="config" xsi:type="array">
							<item name="isTemplate" xsi:type="boolean">true</item>
							<item name="is_collection" xsi:type="boolean">true</item>
							<item name="componentType" xsi:type="string">container</item>
						</item>
					</argument>
					<field name="product" component="FullStak_ProductAddons/js/form/element/options" sortOrder="20" formElement="select">
						<argument name="data" xsi:type="array">
							<item name="config" xsi:type="array">
								<item name="filterOptions" xsi:type="boolean">true</item>
								<item name="multiple" xsi:type="boolean">false</item>
								<item name="showCheckbox" xsi:type="boolean">true</item>
								<item name="disableLabel" xsi:type="boolean">true</item>
							</item>
						</argument>
						<settings>
							<required>false</required>
							<validation>
								<rule name="required-entry" xsi:type="boolean">false</rule>
							</validation>
							<elementTmpl>ui/grid/filters/elements/ui-select</elementTmpl>
							<label translate="true">Select Product</label>
							<dataScope>option.group.products</dataScope>
							<componentType>field</componentType>
							<listens>
								<link name="${ $.namespace }.${ $.namespace }:responseData">setParsed</link>
							</listens>
						</settings>
						<formElements>
							<select>
								<settings>
									<options class="FullStak\ProductAddons\Model\Source\Products"/>
								</settings>
							</select>
						</formElements>
					</field>
					<field name="title" formElement="input">
						<argument name="data" xsi:type="array">
							<item name="config" xsi:type="array">
								<item name="fit" xsi:type="boolean">false</item>
							</item>
						</argument>
						<settings>
							<validation>
								<rule name="required-entry" xsi:type="boolean">true</rule>
							</validation>
							<dataType>text</dataType>
							<label>Title</label>
						</settings>
					</field>
					<field name="price" formElement="input">
						<argument name="data" xsi:type="array">
							<item name="config" xsi:type="array">
								<item name="fit" xsi:type="boolean">false</item>
							</item>
						</argument>
						<settings>
							<validation>
								<rule name="required-entry" xsi:type="boolean">true</rule>
								<item name="validate-number" xsi:type="boolean">true</item>
							</validation>
							<dataType>text</dataType>
							<label>Price</label>
						</settings>
					</field>
					<actionDelete template="Magento_Backend/dynamic-rows/cells/action-delete">
						<argument name="data" xsi:type="array">
							<item name="config" xsi:type="array">
								<item name="fit" xsi:type="boolean">false</item>
							</item>
						</argument>
						<settings>
							<dataType>text</dataType>
							<label>Actions</label>
							<componentType>actionDelete</componentType>
						</settings>
					</actionDelete>
				</container>
			</dynamicRows>
		</fieldset>
	</fieldset>
</form>