Trying to call animation via Dropdown’s value change, in no avail.

Current code and setting as below:

public class MaPoseListener : MonoBehaviour
{
    public TMP_Dropdown dropdown;

    public Animator ma_Animator;

    public void setAnimINT()
    {   
        int pickedEntryIndex = dropdown.value;
        ma_Animator.SetInteger("AnimMaInt", pickedEntryIndex);
    }
}

and inspector setting as below:
Inspector setting