Robot framework: How to locate a input text field and how to input a value in it

Question

My HTML is like this:

<input type="text" placeholder="Search for extensions" class="user-input" style="width: 370px;">

if I try to get the Xpath of the html path I get below Input Text path but I am also not been able to input any text and get below error

Element with locator 'xpath://*[@id="extensions-container"]/div/div[3]/div2/div2/div/div2/form/span2/input' not found.

Click Element    name:extensions
Input Text       xpath://*[@id="extensions-container"]/div/div[3]/div[1]/div[1]/div/div[1]/form/span[1]/input    cli 

Answer 1

This should work:

Input Text    css:input[placeholder="Search for extensions"]    cli

Answer 2

Try with this locator:

//input[@placeholder="Search for extensions"]