text input not working

when ever i try to click the text fileld it wont input anything 

this is my code 

local txtBox = native.newTextBox( 80, 100, 480, 60)

txtBox.size =16

txtBox:addEventListener( “UserInput”, txtBox )

local txtBox1 = native.newTextBox( 80, 200, 480, 60)

txtBox1.size =16

txtBox1:addEventListener( “UserInput”, txtBox1 )

local txtBox2 = native.newTextBox( 20, 300, 180, 60)

txtBox2.size =16

txtBox2:addEventListener( “UserInput”, txtBox2 )

you need to specify

txtBox.isEditable = true

thank you for that the problem i have aswell the text is white icant seem to make he text color black using rgb

you need to specify

txtBox.isEditable = true

thank you for that the problem i have aswell the text is white icant seem to make he text color black using rgb