Will return the lowest variant part

starting_at_price.xml

<mvt:item name="all_products" />

<mvt:comment> 
Products
</mvt:comment>
<mvt:foreach iterator="product" array="all_products:products">
  <mvt:comment> 
  NULL
  </mvt:comment>
  <mvt:assign name="l.product_as_low_as_prices" value="''" />
  <mvt:assign name="l.product_as_low_as_price" value="''" />

	<mvt:comment> 
  Load all variants
  </mvt:comment>
	<mvt:do file="g.Module_Library_DB" name="l.ProductVariantList_Load_Product_Count" value="ProductVariantList_Load_Product(l.settings:product:id , l.settings:product:temp_variants)" />

  <mvt:if expr="l.ProductVariantList_Load_Product_Count EQ 0">
    <mvt:foreachcontinue/>
  </mvt:if>

	<mvt:comment> 
  Iterate over parts
  </mvt:comment>
	<mvt:foreach iterator="temp_variant" array="product:temp_variants">
		<mvt:comment> 
    Default
    </mvt:comment>
		<mvt:assign name="l.temp_as_low_as_price_structure:price" value="0" />
    <mvt:assign name="l.productvariantpricing" value="''" />

		<mvt:comment> 
    Determine the price method
    </mvt:comment>
		<mvt:do file="g.Module_Library_DB" name="l.success" value="ProductVariantPricing_Load_Variant(l.settings:temp_variant:product_id, l.settings:temp_variant:variant_id, l.productvariantpricing)" />

		<mvt:comment> 
    Method: 
    0 - Controlled By Master
    1 - Specific Values
    2 - Sum of Parts
    </mvt:comment>
		<mvt:if expr="l.productvariantpricing:method EQ 0">
			<mvt:comment> 
      Use Master Price
      </mvt:comment>
			<mvt:assign name="l.temp_as_low_as_price_structure:price" value="l.settings:product:price" />
		<mvt:elseif expr="l.productvariantpricing:method EQ 1">
			<mvt:comment> 
      Return specific price value
      </mvt:comment>
			<mvt:assign name="l.temp_as_low_as_price_structure:price" value="l.productvariantpricing:price" />
		<mvt:else>
      <mvt:comment> 
      Sum of Parts
      </mvt:comment>
      <mvt:foreach iterator="part" array="temp_variant:parts">
        <mvt:comment> 
        Load quantity
        </mvt:comment>
        <mvt:do file="g.Module_Library_DB" name="l.success" value="ProductVariantPartList_Load_Variant(l.settings:product:id,l.settings:temp_variant:variant_id, l.settings:product:temp_variants)" />
        
        <mvt:comment> 
        Return price
        </mvt:comment>
        <mvt:assign name="l.temp_as_low_as_price_structure:price" value="l.temp_as_low_as_price_structure:price + (l.settings:part:price * l.settings:product:temp_variants[l.pos3]:quantity)" />
      </mvt:foreach>
		</mvt:if>

		<mvt:comment> 
    Insert temp structure
    </mvt:comment>
		<mvt:assign name="l.product_as_low_as_prices_count" value="miva_array_insert( l.product_as_low_as_prices, l.temp_as_low_as_price_structure, -1 )" />
	</mvt:foreach>

  <mvt:if expr="l.product_as_low_as_prices_count EQ 0">
    <mvt:foreachcontinue/>
  </mvt:if>

  <mvt:comment> 
  Sort by price
  </mvt:comment>
  <mvt:do file="g.Module_Library_Utilities" name="l.success" value="QuickSortArray(l.product_as_low_as_prices, ':price' , 1)" />

  <mvt:comment> 
  Return first option
  E.G. l.product_as_low_as_price:price
  </mvt:comment>
  <mvt:assign name="l.product_as_low_as_price" value="miva_array_shift(l.product_as_low_as_prices)" />  
  Master Product Code: &mvt:product:code;<br/>
  Price: <mvt:eval expr="l.product_as_low_as_price:price" /><br/>
  <hr/>
</mvt:foreach>