robot framework only change variable if code example

Example 1: robot framework set variable if else

${var} =  Set Variable If
    ...  "${var}"=="None"  value
    ...  "${var}"=="True"  value
    ...  "${var}"=="False"  value
    ...  Final else!

Example 2: robot framework set variable if condition

${var1} =  Set Variable If
    ...  "${var2}"=="None"  value1
    ...  "${var2}"=="True"  value2
    ...  "${var2}"=="False"  value3
    ...  Final else!