You can use Metafield Guru App to config:
Step 1: Go to App > Metafield Guru > Choose the “Product & Variants”
Then choose the Product
You can set up for all the variants or one of them
Step 2: Config Metafield: Creating Countdown, Video, Short description, Size chart, External/Affiliate, hashtag, Instagram
Go to App > Metafield > choose product for config.
Key: countdown
Namespace: meta
Value type: String
Paragraph: write the time countdown will be end. Metafields product countdown, Countdown to the end sale date will be shown. Be sure you have set final date of the product sale price. product.metafields.meta.countdown ( 2019/08/18 ) or ( 2019/08/18 17:34:56 ) or ( 2019/08/18 07:00:00,2019/08/20 17:34:56,2019/08/25 18:30:25 )
Result:
Key: description_excerpt
Namespace: meta
Value type: String
Paragraph: write the content which you want to show
Result:
Metafield has 2 different section: Image size chart and html size chart
Step 01: Go to Settings > Files
Step 02: Copy name's file
Step 03: Go to Metafield app > Create metafield > Fill in the gap.
Step 04: Go to Sections > Product sumary > Choose this option
Result:
Step 1:
Step 02:
Step 3:
Step 4:
Choose HTML and choose page size chart to show
Result:
Lets see the instruction below
Key: hashtag
Namespace: meta
Value type: String
Paragraph: The account on Instagram
Result:
Key: username
Namespace: meta
Value type: String
Paragraph: add the account Instagram
Result:
Key: Custom Tab (You can write it as your mind)
Namespace: additions
Value type: String
Paragraph: Write the content
Result: