foundry/Data/systems/pf2e/templates/items/melee-details.hbs

<div class="form-group attack-modifier">
    <label>{{localize "PF2E.NPCWeaponAttackLabel"}}</label>
    <input type="number" name="system.bonus.value" value="{{data.bonus.value}}" />
</div>

<ol class="form-list">
    {{#each data.damageRolls as |damageRoll key|}}
        <li class="damage-partial" data-key="{{key}}">
            <div class="form-group">
                <label>{{localize "PF2E.DamageLabel"}}</label>
                <input type="text" name="system.damageRolls.{{key}}.damage" value="{{lookup this "damage"}}" />
            </div>
            <div class="form-group type">
                <label>{{localize "PF2E.Roll.Type"}}</label>
                <select name="system.damageRolls.{{key}}.damageType">
                    {{#select (lookup damageRoll "damageType")}}
                        {{#each @root.damageTypes as |label type|}}
                            <option value="{{type}}">{{localize label}}</option>
                        {{/each}}
                    {{/select}}
                </select>
            </div>
            <div class="form-group category">
                <label>{{localize "PF2E.Category"}}</label>
                <select name="system.damageRolls.{{key}}.category">
                    {{#select (lookup damageRoll "category")}}
                        <option value=""></option>
                        {{#each @root.damageCategories as |label category|}}
                            <option value="{{category}}">{{localize label}}</option>
                        {{/each}}
                    {{/select}}
                </select>
            </div>
            <a class="damage-control remove-partial" data-action="remove-partial"><i class="fas fa-minus"></i></a>
        </li>
    {{/each}}
    <li class="damage-partial add">
        <div class="form-group">
            <label>
                <a class="damage-control" data-action="add-partial">{{localize "PF2E.NPCWeaponAddDamage"}} <i class="fas fa-plus"></i></a>
            </label>
        </div>
    </li>
</ol>

<div class="form-group-stacked">
    <label>
        {{localize "PF2E.NPCWeaponAttackEffect"}}
        <a class="tag-selector" data-tag-selector="basic" data-title="PF2E.NPCWeaponAttackEffect" data-config-types="attackEffects" data-property="system.attackEffects"><i class="fas fa-edit"></i></a>
    </label>

    <ul class="traits-list tags">
        {{#each attackEffects as |attackEffect|}}
            {{#if attackEffect.selected}}
                <li class="tag tag_alt" data-attack-effect="{{attackEffect.value}}">{{localize attackEffect.label}}</li>
            {{/if}}
        {{/each}}
    </ul>
</div>