ChoiceSet class 
Defines ChoiceSet collection.
- Extends
- 
			Array<Choice> 
Constructors
| Choice | Initializes a new instance of the ChoiceSet class. | 
Properties
| Array | 
Inherited Properties
| length | Gets or sets the length of the array. This is a number one higher than the highest element defined in an array. | 
Methods
| bind(Dialog | Bind data to template. | 
Inherited Methods
| concat(Concat | Combines two or more arrays. | 
| concat(T | Concat | Combines two or more arrays. | 
| copy | Returns the this object after copying a section of the array identified by start and end to the same array starting at position target | 
| entries() | Returns an iterable of key, value pairs for every entry in the array | 
| every((value: Choice, index: number, array: Choice[]) => unknown, any) | Determines whether all the members of an array satisfy the specified test. | 
| fill(Choice, number, number) | Returns the this object after filling the section identified by start and end with value | 
| filter((value: Choice, index: number, array: Choice[]) => unknown, any) | Returns the elements of an array that meet the condition specified in a callback function. | 
| filter<S>((value: Choice, index: number, array: Choice[]) => boolean, any) | Returns the elements of an array that meet the condition specified in a callback function. | 
| find((value: Choice, index: number, obj: Choice[]) => unknown, any) | |
| find<S>((this: void, value: Choice, index: number, obj: Choice[]) => boolean, any) | Returns the value of the first element in the array where predicate is true, and undefined otherwise. | 
| find | Returns the index of the first element in the array where predicate is true, and -1 otherwise. | 
| for | Performs the specified action for each element in an array. | 
| includes(Choice, number) | Determines whether an array includes a certain element, returning true or false as appropriate. | 
| index | Returns the index of the first occurrence of a value in an array. | 
| join(string) | Adds all the elements of an array separated by the specified separator string. | 
| keys() | Returns an iterable of keys in the array | 
| last | Returns the index of the last occurrence of a specified value in an array. | 
| map<U>((value: Choice, index: number, array: Choice[]) => U, any) | Calls a defined callback function on each element of an array, and returns an array that contains the results. | 
| pop() | Removes the last element from an array and returns it. | 
| push(Choice[]) | Appends new elements to an array, and returns the new length of the array. | 
| reduce((previous | Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function. | 
| reduce((previous | |
| reduce<U>((previous | Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function. | 
| reduce | Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function. | 
| reduce | |
| reduce | Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function. | 
| reverse() | Reverses the elements in an Array. | 
| shift() | Removes the first element from an array and returns it. | 
| slice(number, number) | Returns a section of an array. | 
| some((value: Choice, index: number, array: Choice[]) => unknown, any) | Determines whether the specified callback function returns true for any element of an array. | 
| sort((a: Choice, b: Choice) => number) | Sorts an array. | 
| splice(number, number) | Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements. | 
| splice(number, number, Choice[]) | Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements. | 
| to | Returns a string representation of an array. The elements are converted to string using their toLocalString methods. | 
| to | Returns a string representation of an array. | 
| unshift(Choice[]) | Inserts new elements at the start of an array. | 
| values() | Returns an iterable of values in the array | 
Constructor Details
		ChoiceSet(any)
	 
	Initializes a new instance of the ChoiceSet class.
new ChoiceSet(obj: any)Parameters
- obj
- 
				any 
Choice values.
Property Details
Array
static Array: ArrayConstructorProperty Value
ArrayConstructor
Inherited Property Details
length
Gets or sets the length of the array. This is a number one higher than the highest element defined in an array.
length: numberProperty Value
number
Inherited From Array.length
Method Details
		bind(DialogContext, DialogStateManager)
	   
	Bind data to template.
function bind(dialogContext: DialogContext, data?: DialogStateManager): Promise<ChoiceSet>Parameters
- dialogContext
- 
				DialogContext 
DialogContext
- data
- 
				DialogStateManager 
Data to bind to.
Returns
Promise<ChoiceSet>
Data binded ChoiceSet.
Inherited Method Details
		concat(ConcatArray<Choice>[])
	 
	Combines two or more arrays.
function concat(items: ConcatArray<Choice>[]): Choice[]Parameters
- items
- 
				ConcatArray<Choice>[] 
Additional items to add to the end of array1.
Returns
Choice[]
Inherited From Array.concat
		concat(T | ConcatArray<T>[])
	 
	Combines two or more arrays.
function concat(items: T | ConcatArray<T>[]): Choice[]Parameters
- items
- 
				T | ConcatArray<T>[] 
Additional items to add to the end of array1.
Returns
Choice[]
Inherited From Array.concat
		copyWithin(number, number, number)
	 
	Returns the this object after copying a section of the array identified by start and end to the same array starting at position target
function copyWithin(target: number, start: number, end?: number): thisParameters
- target
- 
				number 
If target is negative, it is treated as length+target where length is the length of the array.
- start
- 
				number 
If start is negative, it is treated as length+start. If end is negative, it is treated as length+end.
- end
- 
				number 
If not specified, length of the this object is used as its default value.
Returns
this
Inherited From Array.copyWithin
entries()
Returns an iterable of key, value pairs for every entry in the array
function entries(): IterableIterator<[number, Choice]>Returns
IterableIterator<[number, Choice]>
Inherited From Array.entries
every((value: Choice, index: number, array: Choice[]) => unknown, any)
Determines whether all the members of an array satisfy the specified test.
function every(callbackfn: (value: Choice, index: number, array: Choice[]) => unknown, thisArg?: any): booleanParameters
- callbackfn
- 
				(value: Choice, index: number, array: Choice[]) => unknown 
A function that accepts up to three arguments. The every method calls the callbackfn function for each element in array1 until the callbackfn returns false, or until the end of the array.
- thisArg
- 
				any 
An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
Returns
boolean
Inherited From Array.every
fill(Choice, number, number)
Returns the this object after filling the section identified by start and end with value
function fill(value: Choice, start?: number, end?: number): thisParameters
- value
- 
				Choice 
value to fill array section with
- start
- 
				number 
index to start filling the array at. If start is negative, it is treated as length+start where length is the length of the array.
- end
- 
				number 
index to stop filling the array at. If end is negative, it is treated as length+end.
Returns
this
Inherited From Array.fill
filter((value: Choice, index: number, array: Choice[]) => unknown, any)
Returns the elements of an array that meet the condition specified in a callback function.
function filter(callbackfn: (value: Choice, index: number, array: Choice[]) => unknown, thisArg?: any): Choice[]Parameters
- callbackfn
- 
				(value: Choice, index: number, array: Choice[]) => unknown 
A function that accepts up to three arguments. The filter method calls the callbackfn function one time for each element in the array.
- thisArg
- 
				any 
An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
Returns
Choice[]
Inherited From Array.filter
filter<S>((value: Choice, index: number, array: Choice[]) => boolean, any)
Returns the elements of an array that meet the condition specified in a callback function.
function filter<S>(callbackfn: (value: Choice, index: number, array: Choice[]) => boolean, thisArg?: any): S[]Parameters
- callbackfn
- 
				(value: Choice, index: number, array: Choice[]) => boolean 
A function that accepts up to three arguments. The filter method calls the callbackfn function one time for each element in the array.
- thisArg
- 
				any 
An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
Returns
S[]
Inherited From Array.filter
find((value: Choice, index: number, obj: Choice[]) => unknown, any)
function find(predicate: (value: Choice, index: number, obj: Choice[]) => unknown, thisArg?: any): Choice | undefinedParameters
- predicate
- 
				(value: Choice, index: number, obj: Choice[]) => unknown 
- thisArg
- 
				any 
Returns
Choice | undefined
Inherited From Array.find
find<S>((this: void, value: Choice, index: number, obj: Choice[]) => boolean, any)
Returns the value of the first element in the array where predicate is true, and undefined otherwise.
function find<S>(predicate: (this: void, value: Choice, index: number, obj: Choice[]) => boolean, thisArg?: any): S | undefinedParameters
- predicate
- 
				(this: void, value: Choice, index: number, obj: Choice[]) => boolean 
find calls predicate once for each element of the array, in ascending order, until it finds one where predicate returns true. If such an element is found, find immediately returns that element value. Otherwise, find returns undefined.
- thisArg
- 
				any 
If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead.
Returns
S | undefined
Inherited From Array.find
		findIndex((value: Choice, index: number, obj: Choice[]) => unknown, any)
	 
	Returns the index of the first element in the array where predicate is true, and -1 otherwise.
function findIndex(predicate: (value: Choice, index: number, obj: Choice[]) => unknown, thisArg?: any): numberParameters
- predicate
- 
				(value: Choice, index: number, obj: Choice[]) => unknown 
find calls predicate once for each element of the array, in ascending order, until it finds one where predicate returns true. If such an element is found, findIndex immediately returns that element index. Otherwise, findIndex returns -1.
- thisArg
- 
				any 
If provided, it will be used as the this value for each invocation of predicate. If it is not provided, undefined is used instead.
Returns
number
Inherited From Array.findIndex
		forEach((value: Choice, index: number, array: Choice[]) => void, any)
	 
	Performs the specified action for each element in an array.
function forEach(callbackfn: (value: Choice, index: number, array: Choice[]) => void, thisArg?: any)Parameters
- callbackfn
- 
				(value: Choice, index: number, array: Choice[]) => void 
A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array.
- thisArg
- 
				any 
An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
Inherited From Array.forEach
includes(Choice, number)
Determines whether an array includes a certain element, returning true or false as appropriate.
function includes(searchElement: Choice, fromIndex?: number): booleanParameters
- searchElement
- 
				Choice 
The element to search for.
- fromIndex
- 
				number 
The position in this array at which to begin searching for searchElement.
Returns
boolean
Inherited From Array.includes
		indexOf(Choice, number)
	 
	Returns the index of the first occurrence of a value in an array.
function indexOf(searchElement: Choice, fromIndex?: number): numberParameters
- searchElement
- 
				Choice 
The value to locate in the array.
- fromIndex
- 
				number 
The array index at which to begin the search. If fromIndex is omitted, the search starts at index 0.
Returns
number
Inherited From Array.indexOf
join(string)
Adds all the elements of an array separated by the specified separator string.
function join(separator?: string): stringParameters
- separator
- 
				string 
A string used to separate one element of an array from the next in the resulting String. If omitted, the array elements are separated with a comma.
Returns
string
Inherited From Array.join
keys()
Returns an iterable of keys in the array
function keys(): IterableIterator<number>Returns
IterableIterator<number>
Inherited From Array.keys
		lastIndexOf(Choice, number)
	  
	Returns the index of the last occurrence of a specified value in an array.
function lastIndexOf(searchElement: Choice, fromIndex?: number): numberParameters
- searchElement
- 
				Choice 
The value to locate in the array.
- fromIndex
- 
				number 
The array index at which to begin the search. If fromIndex is omitted, the search starts at the last index in the array.
Returns
number
Inherited From Array.lastIndexOf
map<U>((value: Choice, index: number, array: Choice[]) => U, any)
Calls a defined callback function on each element of an array, and returns an array that contains the results.
function map<U>(callbackfn: (value: Choice, index: number, array: Choice[]) => U, thisArg?: any): U[]Parameters
- callbackfn
- 
				(value: Choice, index: number, array: Choice[]) => U 
A function that accepts up to three arguments. The map method calls the callbackfn function one time for each element in the array.
- thisArg
- 
				any 
An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
Returns
U[]
Inherited From Array.map
pop()
Removes the last element from an array and returns it.
function pop(): Choice | undefinedReturns
Choice | undefined
Inherited From Array.pop
push(Choice[])
Appends new elements to an array, and returns the new length of the array.
function push(items: Choice[]): numberParameters
- items
- 
				Choice[] 
New elements of the Array.
Returns
number
Inherited From Array.push
		reduce((previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice)
	   
	Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
function reduce(callbackfn: (previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice): ChoiceParameters
- callbackfn
- 
				(previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice 
A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.
Returns
Choice
Inherited From Array.reduce
		reduce((previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice, Choice)
	   
	function reduce(callbackfn: (previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice, initialValue: Choice): ChoiceParameters
- callbackfn
- 
				(previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice 
- initialValue
- 
				Choice 
Returns
Choice
Inherited From Array.reduce
		reduce<U>((previousValue: U, currentValue: Choice, currentIndex: number, array: Choice[]) => U, U)
	   
	Calls the specified callback function for all the elements in an array. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
function reduce<U>(callbackfn: (previousValue: U, currentValue: Choice, currentIndex: number, array: Choice[]) => U, initialValue: U): UParameters
- callbackfn
- 
				(previousValue: U, currentValue: Choice, currentIndex: number, array: Choice[]) => U 
A function that accepts up to four arguments. The reduce method calls the callbackfn function one time for each element in the array.
- initialValue
- 
				U 
If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the callbackfn function provides this value as an argument instead of an array value.
Returns
U
Inherited From Array.reduce
		reduceRight((previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice)
	    
	Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
function reduceRight(callbackfn: (previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice): ChoiceParameters
- callbackfn
- 
				(previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice 
A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.
Returns
Choice
Inherited From Array.reduceRight
		reduceRight((previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice, Choice)
	    
	function reduceRight(callbackfn: (previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice, initialValue: Choice): ChoiceParameters
- callbackfn
- 
				(previousValue: Choice, currentValue: Choice, currentIndex: number, array: Choice[]) => Choice 
- initialValue
- 
				Choice 
Returns
Choice
Inherited From Array.reduceRight
		reduceRight<U>((previousValue: U, currentValue: Choice, currentIndex: number, array: Choice[]) => U, U)
	    
	Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.
function reduceRight<U>(callbackfn: (previousValue: U, currentValue: Choice, currentIndex: number, array: Choice[]) => U, initialValue: U): UParameters
- callbackfn
- 
				(previousValue: U, currentValue: Choice, currentIndex: number, array: Choice[]) => U 
A function that accepts up to four arguments. The reduceRight method calls the callbackfn function one time for each element in the array.
- initialValue
- 
				U 
If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the callbackfn function provides this value as an argument instead of an array value.
Returns
U
Inherited From Array.reduceRight
reverse()
Reverses the elements in an Array.
function reverse(): Choice[]Returns
Choice[]
Inherited From Array.reverse
shift()
Removes the first element from an array and returns it.
function shift(): Choice | undefinedReturns
Choice | undefined
Inherited From Array.shift
slice(number, number)
Returns a section of an array.
function slice(start?: number, end?: number): Choice[]Parameters
- start
- 
				number 
The beginning of the specified portion of the array.
- end
- 
				number 
The end of the specified portion of the array.
Returns
Choice[]
Inherited From Array.slice
some((value: Choice, index: number, array: Choice[]) => unknown, any)
Determines whether the specified callback function returns true for any element of an array.
function some(callbackfn: (value: Choice, index: number, array: Choice[]) => unknown, thisArg?: any): booleanParameters
- callbackfn
- 
				(value: Choice, index: number, array: Choice[]) => unknown 
A function that accepts up to three arguments. The some method calls the callbackfn function for each element in array1 until the callbackfn returns true, or until the end of the array.
- thisArg
- 
				any 
An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
Returns
boolean
Inherited From Array.some
sort((a: Choice, b: Choice) => number)
Sorts an array.
function sort(compareFn?: (a: Choice, b: Choice) => number): thisParameters
- compareFn
- 
				(a: Choice, b: Choice) => number 
The name of the function used to determine the order of the elements. If omitted, the elements are sorted in ascending, ASCII character order.
Returns
this
Inherited From Array.sort
splice(number, number)
Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.
function splice(start: number, deleteCount?: number): Choice[]Parameters
- start
- 
				number 
The zero-based location in the array from which to start removing elements.
- deleteCount
- 
				number 
The number of elements to remove.
Returns
Choice[]
Inherited From Array.splice
splice(number, number, Choice[])
Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.
function splice(start: number, deleteCount: number, items: Choice[]): Choice[]Parameters
- start
- 
				number 
The zero-based location in the array from which to start removing elements.
- deleteCount
- 
				number 
The number of elements to remove.
- items
- 
				Choice[] 
Elements to insert into the array in place of the deleted elements.
Returns
Choice[]
Inherited From Array.splice
		toLocaleString()
	  
	Returns a string representation of an array. The elements are converted to string using their toLocalString methods.
function toLocaleString(): stringReturns
string
Inherited From Array.toLocaleString
		toString()
	 
	Returns a string representation of an array.
function toString(): stringReturns
string
Inherited From Array.toString
unshift(Choice[])
Inserts new elements at the start of an array.
function unshift(items: Choice[]): numberParameters
- items
- 
				Choice[] 
Elements to insert at the start of the Array.
Returns
number
Inherited From Array.unshift
values()
Returns an iterable of values in the array
function values(): IterableIterator<Choice>Returns
IterableIterator<Choice>
Inherited From Array.values