remove() Function

Function

remove( array, index )

Removes the value at a given index from an array, and returns the resulting array.

Parameters

Returns

Any Type Array

Usage considerations

Using the index parameter

The index value must be greater than or equal to 1.

Understanding results

Passing an empty array to the array parameter returns an empty array.

Passing an empty array to the index parameter returns the original array value.

Examples

Remove one value from an array

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remove({10, 20, 30, 40}, 4)

Returns {10, 20, 30}.

Remove multiple values from an array

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remove({10, 20, 30, 40}, {2, 4})

Returns {10, 30}.

Remove the second to last item in an array

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a!localVariables(
  local!list: { 1, 2, 3, null, 4 },
  remove(local!list, count(local!list) - 1)
)

Returns {1, 2, 3, 4}.

Remove CDTs from an array where a field matches a certain value

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a!localVariables(
  local!customers: {
    'type!{urn:com:appian:types:AS:FS}AS_FS_Customer'(customerId: 1),
    'type!{urn:com:appian:types:AS:FS}AS_FS_Customer'(),
    'type!{urn:com:appian:types:AS:FS}AS_FS_Customer'(customerId: 2),
    'type!{urn:com:appian:types:AS:FS}AS_FS_Customer'()
  },
  local!newCustomers: wherecontains(tointeger(null), local!customers.customerId),
  remove(local!customers, local!newCustomers)
)

Returns {'type!Customer'('customerId': 1), 'type!Customer'('customerId': 2)}.'

Feature compatibility

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