I have created the custom grid with UI Component and it's working good except the position of Mass Action.
For this I have written below code:
<?xml version="1.0" encoding="UTF-8"?>
<listing 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">custom_grid_grid.custom_grid_grid_data_source</item>
<item name="deps" xsi:type="string">custom_grid_grid.custom_grid_grid_data_source</item>
</item>
<item name="spinner" xsi:type="string">custom_grid_columns</item>
</argument>
<dataSource name="custom_grid_grid_data_source" >
<argument name="dataProvider" xsi:type="configurableObject">
<argument name="class" xsi:type="string">Magento\Framework\View\Element\UiComponent\DataProvider\DataProvider</argument>
<argument name="name" xsi:type="string">custom_grid_grid_data_source</argument>
<argument name="primaryFieldName" xsi:type="string">entity_id</argument>
<argument name="requestFieldName" xsi:type="string">id</argument>
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="component" xsi:type="string">Magento_Ui/js/grid/provider</item>
<item name="update_url" xsi:type="url" path="mui/index/render"/>
<item name="storageConfig" xsi:type="array">
<item name="indexField" xsi:type="string">entity_id</item>
</item>
</item>
</argument>
</argument>
</dataSource>
<listingToolbar name="listing_top">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="sticky" xsi:type="boolean">true</item>
</item>
</argument>
<bookmark name="bookmarks"/>
<columnsControls name="columns_controls"/>
<exportButton name="export_button"/>
<filterSearch name="fulltext"/>
<filters name="listing_filters"/>
<massaction name="listing_massaction">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="component" xsi:type="string">Magento_Ui/js/grid/tree-massactions</item>
</item>
</argument>
<action name="delete">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="type" xsi:type="string">delete</item>
<item name="label" xsi:type="string" translate="true">Delete</item>
<item name="url" xsi:type="url" path="custom_grid/index/massDelete"/>
<item name="confirm" xsi:type="array">
<item name="title" xsi:type="string" translate="true">Delete Logger</item>
<item name="message" xsi:type="string" translate="true">Are you sure you wan't to delete selected items?</item>
</item>
</item>
</argument>
</action>
</massaction>
<paging name="listing_paging"/>
</listingToolbar>
<columns name="custom_grid_columns">
<selectionsColumn name="ids">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="resizeEnabled" xsi:type="boolean">false</item>
<item name="resizeDefaultWidth" xsi:type="string">55</item>
<item name="indexField" xsi:type="string">entity_id</item>
</item>
</argument>
</selectionsColumn>
<column name="entity_id">
<settings>
<filter>text</filter>
<sorting>asc</sorting>
<label translate="true">ID</label>
</settings>
</column>
<column name="message">
<settings>
<filter>text</filter>
<label translate="true">Message</label>
<editor>
<editorType>text</editorType>
<validation>
<rule name="required-entry" xsi:type="boolean">false</rule>
</validation>
</editor>
</settings>
</column>
<column name="type_of_message">
<settings>
<filter>text</filter>
<label translate="true">Type of Request</label>
<editor>
<editorType>text</editorType>
<validation>
<rule name="required-entry" xsi:type="boolean">false</rule>
</validation>
</editor>
</settings>
</column>
<column name="level_name">
<settings>
<filter>text</filter>
<label translate="true">Message Level</label>
<editor>
<editorType>text</editorType>
<validation>
<rule name="required-entry" xsi:type="boolean">false</rule>
</validation>
</editor>
</settings>
</column>
<column name="created_at">
<settings>
<filter>text</filter>
<label translate="true">Created at</label>
<editor>
<editorType>text</editorType>
<validation>
<rule name="required-entry" xsi:type="boolean">false</rule>
</validation>
</editor>
</settings>
</column>
<actionsColumn class="ABCSolutions\Helloworld\Ui\Component\Listing\Column\CustomGridActions" name="actions">
<settings>
<indexField>entity_id</indexField>
<resizeEnabled>false</resizeEnabled>
<resizeDefaultWidth>107</resizeDefaultWidth>
</settings>
</actionsColumn>
</columns>
</listing>
After Login to Admin Panel the Grid Shows as below
I am not specified the position of Mass Action in the grid.
Can you please suggest me where I went wrong?