I want to show available quantity when selecting the configurable option

[thilina_per]

I want to show available quantity when selecting the configurable option. when choosing the option quentity must be change.

[theMageComp]

Hi @thilina_per

Are you talking about displaying Simple Product Quantity that are associated with the configurable product?
If so, then you need to make some customizations in the relevant files according to your requirement for this.