diff --git a/app/javascript/components/AeInlineMethod/NamespaceSelector.jsx b/app/javascript/components/AeInlineMethod/NamespaceSelector.jsx
index 1e47c7f7001..f58f3ffc560 100644
--- a/app/javascript/components/AeInlineMethod/NamespaceSelector.jsx
+++ b/app/javascript/components/AeInlineMethod/NamespaceSelector.jsx
@@ -1,20 +1,26 @@
 import React, { useState, useEffect } from 'react';
+import PropTypes from 'prop-types';
 import {
-  TextInput, Select, SelectItem,
+  TextInput, Select, SelectItem, Loading,
 } from 'carbon-components-react';
 import MiqDataTable from '../miq-data-table';
+import NotificationMessage from '../notification-message';
+import './style.scss';
 
-const NamespaceSelector = () => {
+/** Component to search and select AeMethods. */
+const NamespaceSelector = ({ onSelectMethod }) => {
   const aeMethodsUrl = '/miq_ae_class/ae_methods';
   const aeDomainsUrl = '/miq_ae_class/ae_domains';
 
   const [data, setData] = useState({
+    loading: true,
     domains: [],
     searchText: undefined,
     methods: [],
     selectedDomain: undefined,
   });
 
+  /** Function to format the method data needed for the data-table list. */
   const formatMethods = (methods) => (methods.map((item) => ({
     id: item.id.toString(),
     name: { text: item.name, icon: 'icon node-icon fa-ruby' },
@@ -22,21 +28,22 @@ const NamespaceSelector = () => {
     code: item.data,
   })));
 
+  /** Loads the 'domains' and 'methods' from its respective URL's during the component's onLoad event. */
   useEffect(() => {
     Promise.all([
       http.get(aeDomainsUrl),
       http.get(aeMethodsUrl)])
-      // eslint-disable-next-line camelcase
       .then(([{ domains }, { methods }]) => {
         setData({
           ...data,
+          loading: false,
           methods: formatMethods(methods),
           domains,
         });
       });
   }, []);
 
-  console.log(data);
+  /** Headers needed for the data-table list. */
   const miqHeaders = [
     {
       key: 'name',
@@ -48,74 +55,89 @@ const NamespaceSelector = () => {
     },
   ];
 
-  return (
-    <div>
-      <TextInput
-        id="search-method"
-        labelText={__('Search')}
-        placeholder={__('Search with Name or Relative path')}
-        onChange={(event) => {
-          const text = event.target.value;
-          let url = `${aeMethodsUrl}?search=${text}`;
-          if (data.selectedDomain) {
-            url = `${url}&domain_id=${data.selectedDomain}`;
-          }
-          http.get(url)
-            .then(({ methods }) => {
-              setData({
-                ...data,
-                methods: formatMethods(methods),
-                searchText: text,
-              });
-            });
-        }}
-      />
-      {
-        data.domains && (
-          <Select
-            id="select-3"
-            labelText="Select an domain"
-            defaultValue="option-3"
-            onChange={(event) => {
-              const selectedDomain = event.target.value;
-              let url = `${aeMethodsUrl}?domain_id=${selectedDomain}`;
-              if (data.searchText) {
-                url = `${url}&search=${data.searchText}`;
-              }
-              http.get(url)
-                .then(({ methods }) => {
-                  setData({
-                    ...data,
-                    methods: formatMethods(methods),
-                    selectedDomain,
-                  });
-                });
-            }}
-          >
-            {
-              data.domains.map((domain) => (
-                <SelectItem key={domain.id} value={domain.id} text={domain.name} />
-              ))
-            }
-          </Select>
-        )
-      }
+  /** Function to return a conditional URL based on the selected filters. */
+  const searchUrl = (selectedDomain, text) => {
+    const queryParams = [];
+    if (selectedDomain) {
+      queryParams.push(`domain_id=${selectedDomain}`);
+    }
+    if (text) {
+      queryParams.push(`search=${text}`);
+    }
+    const queryString = queryParams.length > 0 ? `?${queryParams.join('&')}` : '';
+    return `${aeMethodsUrl}${queryString}`;
+  };
+
+  /** Function to handle search text and drop-down item onchange events. */
+  const handleInputChange = (text, selectedDomain) => {
+    const url = searchUrl(selectedDomain, text);
+    http.get(url)
+      .then(({ methods }) => {
+        setData({
+          ...data,
+          methods: formatMethods(methods),
+          searchText: text,
+          selectedDomain,
+        });
+      });
+  };
+
+  /** Function to render the search text. */
+  const renderSearchText = () => (
+    <TextInput
+      id="search-method"
+      labelText={__('Search')}
+      placeholder={__('Search with Name or Relative path')}
+      onChange={(event) => handleInputChange(event.target.value, data.selectedDomain)}
+    />
+  );
 
+  /** Function to render the domain items in a drop-down list. */
+  const renderDomainList = () => (
+    <Select
+      id="select-3"
+      labelText="Select an domain"
+      defaultValue="option-3"
+      onChange={(event) => handleInputChange(data.searchText, event.target.value)}
+    >
+      <SelectItem value="" text="None" />
       {
-        data.methods && data.methods.length > 0 && (
-          <MiqDataTable
-            headers={miqHeaders}
-            rows={data.methods}
-            mode="list"
-          />
-        )
+        data.domains.map((domain) => <SelectItem key={domain.id} value={domain.id} text={domain.name} />)
       }
+    </Select>
+  );
+
+  /** Function to render the contents of the list. */
+  const renderContents = () => (data.methods && data.methods.length > 0
+    ? (
+      <MiqDataTable
+        headers={miqHeaders}
+        rows={data.methods}
+        mode="miq-inline-method-list"
+        onCellClick={(selectedRow) => onSelectMethod(selectedRow)}
+      />
+    )
+    : <NotificationMessage type="error" message={__('No methods available.')} />);
+
+  return (
+    <div className="inline-method-selector">
+      <div className="inline-filters">
+        {renderSearchText()}
+        {data.domains && renderDomainList()}
+      </div>
+      <div className="inline-contents-wrapper">
+        {
+          data.loading
+            ? <Loading active small withOverlay={false} className="loading" />
+            : renderContents()
+        }
+      </div>
     </div>
   );
 };
 
 export default NamespaceSelector;
 
-// NamespaceSelector.propTypes = {
-//   type: PropTypes.string.isRequired,
-// };
+NamespaceSelector.propTypes = {
+  onSelectMethod: PropTypes.func.isRequired,
+};
diff --git a/app/javascript/components/AeInlineMethod/index.jsx b/app/javascript/components/AeInlineMethod/index.jsx
index f1cd9b9d09a..0ef4ad55c86 100644
--- a/app/javascript/components/AeInlineMethod/index.jsx
+++ b/app/javascript/components/AeInlineMethod/index.jsx
@@ -36,7 +36,7 @@ const AeInlineMethod = ({ type }) => {
     <div>
       {renderAddButton()}
       <Modal
-        primaryButtonDisabled={data.selectedNode === undefined}
+        primaryButtonDisabled={data.list.size > 0}
         size="lg"
         modalHeading={__('Select item')}
         open={data.isModalOpen}
@@ -44,11 +44,7 @@ const AeInlineMethod = ({ type }) => {
         secondaryButtonText={__('Cancel')}
         onRequestClose={() => showModal(false)}
         onRequestSubmit={() => {
-          console.log('on onRequestSubmit');
-          setData({
-            ...data,
-            list: data.list.push(data.selectedNode),
-          });
+          console.log('on onRequestSubmit', data.list);
           showModal(false);
         }}
         onSecondarySubmit={() => {
@@ -60,7 +56,15 @@ const AeInlineMethod = ({ type }) => {
           {
             data.isModalOpen
                && (
-                 <NamespaceSelector />
+                 <NamespaceSelector
+                   onSelectMethod={(method) => {
+                     data.list.push(method);
+                     setData({
+                       ...data,
+                       list: [...data.list],
+                     });
+                   }}
+                 />
                )
           }
         </ModalBody>
diff --git a/app/javascript/components/AeInlineMethod/style.scss b/app/javascript/components/AeInlineMethod/style.scss
new file mode 100644
index 00000000000..0e63cf75c3d
--- /dev/null
+++ b/app/javascript/components/AeInlineMethod/style.scss
@@ -0,0 +1,25 @@
+.inline-method-selector {
+  display: flex;
+  flex-direction: column;
+
+  .inline-filters {
+    display: flex;
+    flex-direction: row;
+    gap: 10px;
+  }
+
+  .inline-contents-wrapper {
+    display: flex;
+    flex-direction: column;
+    margin-top: 20px;
+
+    .miq-inline-method-list {
+      background: #FFF;
+      margin-top: 0;
+    }
+
+    .miq-notification-message-container {
+      margin: 0;
+    }
+  }
+}