how to change 'return' button in keyboard?

Question

How can I change the return button to some other native buttons ios has?

Now it shows the grey return button and instead I want it to be blue with some other text like the example below:

EXAMPLE:

Answer 1

Update for 2019 - RN 0.57 changed the key from "Go" to "go"

you should use returnKeyType property to determine how the return key should look

Example:

 <TextInput style={{height:40}} 
       placeholder="Input"
       placeholderTextColor="#DCDCDC"
       returnKeyType="go"
 />