Class ConditionalFormatRuleBuilder

// Log the boolean criteria type of the first conditional format rules of a sheet.
var rule = SpreadsheetApp.getActiveSheet().getConditionalFormatRules()[0];
var booleanCondition = rule.getBooleanCondition();
if (booleanCondition != null) {
  Logger.log(booleanCondition.getCriteriaType());
}

// Log the gradient minimum color of the first conditional format rule of a sheet.
var rule = SpreadsheetApp.getActiveSheet().getConditionalFormatRules()[0];
var gradientCondition = rule.getGradientCondition();
if (gradientCondition != null) {
  // Assume the color has ColorType.RGB.
  Logger.log(gradientCondition.getMinColorObject().asRgbColor().asHexString());
}

// Log each range of the first conditional format rule of a sheet.
var rule = SpreadsheetApp.getActiveSheet().getConditionalFormatRules()[0];
var ranges = rule.getRanges();
for (var i = 0; i < ranges.length; i++) {
  Logger.log(ranges[i].getA1Notation());
}

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color to red if the cell has text equal to "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextEqualTo("hello")
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color to theme background color if the cell has text equal to "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var color = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.BACKGROUND)
    .build();
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextEqualTo("hello")
    .setBackground(color)
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn their
// text bold if the cell has text equal to "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextEqualTo("hello")
    .setBold(true)
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their font
// color to red if the cell has text equal to "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextEqualTo("hello")
    .setFontColor("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their font
// color to theme text color if the cell has text equal to "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var color = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.TEXT)
    .build();
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextEqualTo("hello")
    .setFontColor(color)
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere between white and red, based on their values in comparison to
// the ranges minimum and maximum values.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpoint("#FF0000")
    .setGradientMinpoint("#FFFFFF")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere between theme text and background colors, based on their values
// in comparison to the ranges minimum and maximum values.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var textColor = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.TEXT)
    .build();
var backgroundColor = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.BACKGROUND)
    .build();
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpoint(textColor)
    .setGradientMinpoint(backgroundColor)
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere from theme accent 1, accent 2 to accent 3 colors, based on their
// values in comparison to the values 0, 50, and 100.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var color1 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT1)
    .build();
var color2 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT2)
    .build();
var color3 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT3)
    .build();
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpointWithValue(color1, SpreadsheetApp.InterpolationType.NUMBER, "100")
    .setGradientMidpointWithValue(color2, SpreadsheetApp.InterpolationType.NUMBER, "50")
    .setGradientMinpointWithValue(color3, SpreadsheetApp.InterpolationType.NUMBER, "0")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere from red green to blue, based on their values in comparison to
// the values 0, 50, and 100.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpointWithValue("#0000FF", SpreadsheetApp.InterpolationType.NUMBER, "100")
    .setGradientMidpointWithValue("#00FF00", SpreadsheetApp.InterpolationType.NUMBER, "50")
    .setGradientMinpointWithValue("#FF0000", SpreadsheetApp.InterpolationType.NUMBER, "0")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere from theme accent 1 to accent 2 to accent 3 colors, based on
// their values in comparison to the values 0, 50, and 100.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var color1 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT1)
    .build();
var color2 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT2)
    .build();
var color3 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT3)
    .build();
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpointWithValue(color1, SpreadsheetApp.InterpolationType.NUMBER, "100")
    .setGradientMidpointWithValue(color2, SpreadsheetApp.InterpolationType.NUMBER, "50")
    .setGradientMinpointWithValue(color3, SpreadsheetApp.InterpolationType.NUMBER, "0")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere from red green to blue, based on their values in comparison to
// the values 0, 50, and 100.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpointWithValue("#0000FF", SpreadsheetApp.InterpolationType.NUMBER, "100")
    .setGradientMidpointWithValue("#00FF00", SpreadsheetApp.InterpolationType.NUMBER, "50")
    .setGradientMinpointWithValue("#FF0000", SpreadsheetApp.InterpolationType.NUMBER, "0")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere between white and red, based on their values in comparison to
// the ranges minimum and maximum values.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpoint("#FF0000")
    .setGradientMinpoint("#FFFFFF")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere between theme text and background colors, based on their values
// in comparison to the ranges minimum and maximum values.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var textColor = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.TEXT)
    .build();
var backgroundColor = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.BACKGROUND)
    .build();
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpoint(textColor)
    .setGradientMinpoint(backgroundColor)
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere from theme accent 1 to accent 2 to accent 3 colors, based on
// their values in comparison to the values 0, 50, and 100.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var color1 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT1)
    .build();
var color2 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT2)
    .build();
var color3 = SpreadsheetApp.newColor()
    .setThemeColor(SpreadsheetApp.ThemeColorType.ACCENT3)
    .build();
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpointWithValue(color1, SpreadsheetApp.InterpolationType.NUMBER, "100")
    .setGradientMidpointWithValue(color2, SpreadsheetApp.InterpolationType.NUMBER, "50")
    .setGradientMinpointWithValue(color3, SpreadsheetApp.InterpolationType.NUMBER, "0")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to set their
// background color somewhere from red to green to blue, based on their values in comparison to
// the values 0, 50, and 100.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .setGradientMaxpointWithValue("#0000FF", SpreadsheetApp.InterpolationType.NUMBER, "100")
    .setGradientMidpointWithValue("#00FF00", SpreadsheetApp.InterpolationType.NUMBER, "50")
    .setGradientMinpointWithValue("#FF0000", SpreadsheetApp.InterpolationType.NUMBER, "0")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn their
// text italic if the cell has text equal to "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextEqualTo("hello")
    .setItalic(true)
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 and range D4:F6
// to turn red if they contain a number between 1 and 10.
var sheet = SpreadsheetApp.getActiveSheet();
var rangeOne = sheet.getRange("A1:B3");
var rangeTwo = sheet.getRange("D4:F6");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberBetween(1, 10)
    .setBackground("#FF0000")
    .setRanges([rangeOne, rangeTwo])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to strikethrough
// their text if the cell has text equal to "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextEqualTo("hello")
    .setStrikethrough(true)
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to underline
// their text if the cell has text equal to "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextEqualTo("hello")
    .setUnderline(true)
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they are empty.
var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenCellEmpty()
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they are not empty.
var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenCellNotEmpty()
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a date after 11/4/1993.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenDateAfter(new Date("11/4/1993"))
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a date after today.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenDateAfter(SpreadsheetApp.RelativeDate.TODAY)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a date before 11/4/1993.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenDateBefore(new Date("11/4/1993"))
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a date before today.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenDateBefore(SpreadsheetApp.RelativeDate.TODAY)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain the date 11/4/1993.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenDateEqualTo(new Date("11/4/1993"))
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain todays date.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenDateEqualTo(SpreadsheetApp.RelativeDate.TODAY)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they satisfy the condition "=EQ(B4, C3)".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenFormulaSatisfied("=EQ(B4, C3)")
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a number between 1 and 10.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberBetween(1, 10)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain the number 10.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberEqualTo(10)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red
// if they contain a number greater than 10.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberGreaterThan(10)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a number greater than or equal to 10.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberGreaterThanOrEqualTo(10)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a number less than 10.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberLessThan(10)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a number less than or equal to 10.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberLessThanOrEqualTo(10)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain a number not between 1 and 10.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberNotBetween(1, 10)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they don't contain the number 10.

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenNumberNotEqualTo(10)
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they contain the text "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextContains("hello")
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);

// Adds a conditional format rule to a sheet that causes cells in range A1:B3 to turn red if
// they don't contain the text "hello".

var sheet = SpreadsheetApp.getActiveSheet();
var range = sheet.getRange("A1:B3");
var rule = SpreadsheetApp.newConditionalFormatRule()
    .whenTextDoesNotContain("hello")
    .setBackground("#FF0000")
    .setRanges([range])
    .build();
var rules = sheet.getConditionalFormatRules();
rules.push(rule);
sheet.setConditionalFormatRules(rules);