allow to filter templates by any field that is acceptable by whatsapp…

src/main/java/com/whatsapp/api/impl/WhatsappBusinessManagementApi.java

@@ -127,6 +127,18 @@ public MessageTemplates retrieveTemplates(String whatsappBusinessAccountId, Stri
         return executeSync(whatsappBusinessManagementApiService.retrieveTemplates(apiVersion.getValue(), whatsappBusinessAccountId, Map.of("name", templateName)));
     }
 
+    /**
+     * Retrieve filtered templates message templates.
+     *
+     * @param whatsappBusinessAccountId Represents a specific WhatsApp Business Account (WABA). Make the API call to the WABA ID.
+     * @param filters              map of query objects, key is query parameter and value is query parameter value, i.e. Map.of("name", "templateName") will search by name.
+     *                             For all filters see <a href="https://developers.facebook.com/docs/graph-api/reference/whats-app-business-hsm/#fields">Allowed fields for filtering</a>
+     * @return {@link MessageTemplates} List of templates
+     * @see <a href="https://developers.facebook.com/docs/whatsapp/business-management-api/message-templates">Message templates</a>
+     */
+    public MessageTemplates retrieveTemplates(String whatsappBusinessAccountId, Map<String, Object> filters) {
+        return executeSync(whatsappBusinessManagementApiService.retrieveTemplates(apiVersion.getValue(), whatsappBusinessAccountId, filters));
+    }
     /**
      * Retrieve templates message templates.
      *

src/test/java/com/whatsapp/api/impl/WhatsappBusinessManagementApiTest.java

@@ -28,6 +28,7 @@
 import java.io.IOException;
 import java.net.URISyntaxException;
 import java.util.Collections;
+import java.util.Map;
 
 import static com.whatsapp.api.configuration.WhatsappApiConfig.getApiVersion;
 
@@ -507,6 +508,24 @@ void testRetrieveMessageTemplate3() throws IOException, URISyntaxException
 
     }
 
+    @Test
+    void testRetrieveFilteredMessageTemplate() throws IOException, URISyntaxException, InterruptedException {
+        WhatsappApiFactory factory = WhatsappApiFactory.newInstance(TOKEN);
+
+        WhatsappBusinessManagementApi whatsappBusinessCloudApi = factory.newBusinessManagementApi();
+        mockWebServer.enqueue(new MockResponse().newBuilder().code(200).body(fromResource("/retTemplate3.json")).build());
+
+        var templates = whatsappBusinessCloudApi.retrieveTemplates(WABA_ID, Map.of("name", "welcome_template3"));
+
+        RecordedRequest recordedRequest = mockWebServer.takeRequest();
+        Assertions.assertEquals("GET", recordedRequest.getMethod());
+        Assertions.assertEquals("/" + API_VERSION + "/" + WABA_ID + "/message_templates?name=welcome_template3", recordedRequest.getPath());
+
+        Assertions.assertEquals(1, templates.data().size());
+        Assertions.assertEquals("welcome_template3", templates.data().get(0).name());
+        Assertions.assertEquals("Hello {{1}}, welcome to our {{2}} test.", templates.data().get(0).components().get(1).getText());
+    }
+
     @Test
     void testRetrieveMessageTemplate3WithLimit() throws IOException, URISyntaxException
     {