Create Melee Attacks

Create an Animation Montage based on an appropriate Animation Sequence that represents the Light Attack.

In the Animation Montage, add the Melee Scan Notify State along the frames where the scan should happen.

In the Notify State Details, set the Source to Weapon and your Scan Channel to Weapon.

Configure the Weapon query, so it will obtain the sword from the Weapon Manager.

Create a new Gameplay Ability for your Light Attack, using the CombatAbility_Attack as the base.

In the Details Tab, enable the Is Melee Attack and disable Is Ranged Attack flags.

Set the first Animation Montage for the Light Attack to the Default Animation Montage.

Disable the Motion Warping functionality.

Add Ability.Attack.Primary to the Ability Tags, so it can be used for the activation.

Add Ability.Attack.Secondary to the list of Block Abilities with Tag, to ensure your attacks won't interrupt each other.

When you are done, your Light Attack Ability should be similar to the following image.

Create a new Gameplay Ability for your Heavy Attack, using the CombatAbility_Attack as the base.

In the Details Tab, enable the Is Melee Attack and disable Is Ranged Attack flags.

Set the first Animation Montage for the Heavy Attack to the Default Animation Montage.

Disable the Motion Warping functionality.

Add Ability.Attack.Secondary to the Ability Tags, so it can be used for the activation.

Add Ability.Attack.Primary to the list of Block Abilities with Tag, to ensure your attacks won't interrupt each other.

When you are done, your Heavy Attack Ability should be similar to the following image.

Create an Ability Bundle for the player and add the new abilities to it.

Add the Ability Bundle to the Ability System in the Player State.

Create an Input Action for the Light Attack. Add a Pressed trigger. Map this Input Action to your Input Mapping Context, assigning the Left Mouse Button as the key.

Create an Input Action for the Heavy Attack. Add a Pressed trigger. Map this Input Action to your Input Mapping Context, assigning the Right Mouse Button as the key.

Add two Input Handlers to your Input Setup Data Asset, using the Activate Ability by Tags as the base.

Set the correct Input Actions for each attack, and the correct Ability Tags defined earlier: Ability.Attack.Primary and Ability.Attack.Secondary.

When you are done, your Input Setup Data Asset should be similar to the following image.

Click the Play button.

Press the buttons assigned to your attacks, Left and Right Mouse buttons. Your attacks should execute.

Open your Attack Abilities and check Enable Debug property.

Click the Play button.

Press the buttons assigned to your attacks, Left and Right Mouse buttons, you should see the melee traces. When you are done, uncheck the Enable Debug property from the Attack Abilities.