main.xml

<mod name="YOUR_MOD_NAME" author="YOUR_NAME" min_lib_ver="3.38">
    <!--Mod name can be your folder name. -->
    <AssetUpdates id="-1" version="1.0" provider="modworkshop"/>
    <!--
        Adds auto update to your mod.
        id is the ID of your mod found here: http://modwork.shop/14924 our ID is 14924.
        version is the version of your mod and it must be the same as the site's version. MWS updates don't care about numbers.
        Read more about the module > https://github.com/simon-wh/PAYDAY-2-BeardLib/wiki/ModAssetModule
    -->
    <Localization directory="loc" default="english.txt">
        <loc file="english.txt" language="english"/>
    </Localization>
    <!-- For adding more languages, read > https://github.com/simon-wh/PAYDAY-2-BeardLib/wiki/LocalizationModule -->

	<MaskMaterial id="YOUR_MATERIAL_NAME" material_amount="0" ver="2"/>
	<!--
		MaskMaterial id = the ID of the pattern you want to add
		texture = The directory path for the pattern texture (optional)
		global_value = for packs of mods, a global id assigned to all
		material_amount = how the material is applied to the mask. Set at 0 to have it tile across the mask, Remove it to have it strech over the mask.
	-->

    <AddFiles directory="assets">
		<texture path="units/mods/matcaps/YOUR_MATERIAL_NAME_df"/>
		<texture path="guis/dlcs/mods/textures/pd2/blackmarket/icons/materials/YOUR_MATERIAL_NAME"/>
	</AddFiles>
	<!--
        Adds the files needed. Using shortcuts.
        You only need to replace your_part_name with the id of your part. Make sure the directories and files are also updated.
        Read more here > https://github.com/simon-wh/PAYDAY-2-BeardLib/wiki/AddFilesModule 
    -->
</mod>