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# AWS::SSMContacts::Rotation RecurrenceSettings
<a name="aws-properties-ssmcontacts-rotation-recurrencesettings"></a>

Information about when an on-call rotation is in effect and how long the rotation period lasts.

## Syntax
<a name="aws-properties-ssmcontacts-rotation-recurrencesettings-syntax"></a>

To declare this entity in your Amazon CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-ssmcontacts-rotation-recurrencesettings-syntax.json"></a>

```
{
  "[DailySettings](#cfn-ssmcontacts-rotation-recurrencesettings-dailysettings)" : [ String, ... ],
  "[MonthlySettings](#cfn-ssmcontacts-rotation-recurrencesettings-monthlysettings)" : [ MonthlySetting, ... ],
  "[NumberOfOnCalls](#cfn-ssmcontacts-rotation-recurrencesettings-numberofoncalls)" : Integer,
  "[RecurrenceMultiplier](#cfn-ssmcontacts-rotation-recurrencesettings-recurrencemultiplier)" : Integer,
  "[ShiftCoverages](#cfn-ssmcontacts-rotation-recurrencesettings-shiftcoverages)" : [ ShiftCoverage, ... ],
  "[WeeklySettings](#cfn-ssmcontacts-rotation-recurrencesettings-weeklysettings)" : [ WeeklySetting, ... ]
}
```

### YAML
<a name="aws-properties-ssmcontacts-rotation-recurrencesettings-syntax.yaml"></a>

```
  [DailySettings](#cfn-ssmcontacts-rotation-recurrencesettings-dailysettings): 
    - String
  [MonthlySettings](#cfn-ssmcontacts-rotation-recurrencesettings-monthlysettings): 
    - MonthlySetting
  [NumberOfOnCalls](#cfn-ssmcontacts-rotation-recurrencesettings-numberofoncalls): Integer
  [RecurrenceMultiplier](#cfn-ssmcontacts-rotation-recurrencesettings-recurrencemultiplier): Integer
  [ShiftCoverages](#cfn-ssmcontacts-rotation-recurrencesettings-shiftcoverages): 
    - ShiftCoverage
  [WeeklySettings](#cfn-ssmcontacts-rotation-recurrencesettings-weeklysettings): 
    - WeeklySetting
```

## Properties
<a name="aws-properties-ssmcontacts-rotation-recurrencesettings-properties"></a>

`DailySettings`  <a name="cfn-ssmcontacts-rotation-recurrencesettings-dailysettings"></a>
Information about on-call rotations that recur daily.  
*Required*: No  
*Type*: Array of String  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`MonthlySettings`  <a name="cfn-ssmcontacts-rotation-recurrencesettings-monthlysettings"></a>
Information about on-call rotations that recur monthly.  
*Required*: No  
*Type*: Array of [MonthlySetting](aws-properties-ssmcontacts-rotation-monthlysetting.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`NumberOfOnCalls`  <a name="cfn-ssmcontacts-rotation-recurrencesettings-numberofoncalls"></a>
The number of contacts, or shift team members designated to be on call concurrently during a shift. For example, in an on-call schedule that contains ten contacts, a value of `2` designates that two of them are on call at any given time.  
*Required*: No  
*Type*: Integer  
*Minimum*: `1`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`RecurrenceMultiplier`  <a name="cfn-ssmcontacts-rotation-recurrencesettings-recurrencemultiplier"></a>
The number of days, weeks, or months a single rotation lasts.  
*Required*: No  
*Type*: Integer  
*Minimum*: `1`  
*Maximum*: `100`  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`ShiftCoverages`  <a name="cfn-ssmcontacts-rotation-recurrencesettings-shiftcoverages"></a>
Information about the days of the week included in on-call rotation coverage.  
*Required*: No  
*Type*: Array of [ShiftCoverage](aws-properties-ssmcontacts-rotation-shiftcoverage.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`WeeklySettings`  <a name="cfn-ssmcontacts-rotation-recurrencesettings-weeklysettings"></a>
Information about on-call rotations that recur weekly.  
*Required*: No  
*Type*: Array of [WeeklySetting](aws-properties-ssmcontacts-rotation-weeklysetting.md)  
*Update requires*: [No interruption](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)