From bbad4ef060a63f45945a2e3e1258eced2ff5852f Mon Sep 17 00:00:00 2001
From: jao_liu <liujiao44@huawei.com>
Date: Wed, 10 Apr 2024 13:11:02 +0000
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Signed-off-by: jao_liu <liujiao44@huawei.com>
Change-Id: I9d1a95ff11d91cbbe830702b878c757a9bf2115c
---
 api/@internal/component/ets/particle.d.ts | 65 ++++++++++++++++++++++-
 1 file changed, 64 insertions(+), 1 deletion(-)

diff --git a/api/@internal/component/ets/particle.d.ts b/api/@internal/component/ets/particle.d.ts
index 9e30e7938..77c609b80 100644
--- a/api/@internal/component/ets/particle.d.ts
+++ b/api/@internal/component/ets/particle.d.ts
@@ -335,6 +335,57 @@ interface ParticleConfigs {
   [ParticleType.IMAGE]: ImageParticleParameters;
 }
 
+/**
+ * Defines the emitter property.
+ *
+ * @interface EmitterProperty
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @crossplatform
+ * @since 12
+ */
+interface EmitterProperty {
+
+  /**
+   * Emitter index.
+   *
+   * @type { number }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @since 12
+   */
+  index : number;
+
+  /**
+   * Emitter emission rate.
+   *
+   * @type { ?number }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @since 12
+   */
+  emitRate?: number;
+
+  /**
+   * Emitter emission rate. Only support number type.
+   *
+   * @type { ?PositionT<number> }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @since 12
+   */
+  position?: PositionT<number>;
+
+  /**
+   * Emitter emission window size. Only support number type.
+   *
+   * @type { ?SizeT<number> }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @since 12
+   */
+  size?: SizeT<number>;
+}
+
 /**
  * Defines the emitter Options.
  * @interface EmitterOptions
@@ -1132,7 +1183,19 @@ declare enum ParticleUpdater {
  * @atomicservice
  * @since 11
  */
-declare class ParticleAttribute extends CommonMethod<ParticleAttribute> {}
+declare class ParticleAttribute extends CommonMethod<ParticleAttribute> {
+
+  /**
+   * Add particle animation component properties.
+   *
+   * @param { Array<EmitterProperty> } value - The emitter property.
+   * @returns { ParticleAttribute } Returns the particle attribute.
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @since 12
+   */
+  emitter(value : Array<EmitterProperty>) : ParticleAttribute;
+}
 
 /**
  * Defines Particle Component.