# Shader:getWarnings

Available since LÖVE 0.9.0
It has been renamed from PixelEffect:getWarnings.

Returns any warning and error messages from compiling the shader code. This can be used for debugging your shaders if there's anything the graphics hardware doesn't like.

## Function

### Synopsis

    warnings = Shader:getWarnings( )

### Arguments

None.

### Returns

`string warnings`
  Warning and error messages (if any).

## See Also

- Shader

##

Category:

- Functions