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contains

Returns a value indicating whether this collection contains a column with the specified name.

def contains(self, name):
    ...

Parameter	Type	Description
name	`str`	The case-insensitive name of a column to look for.

Returns: bool: True if the collection contains a column with the specified name; otherwise False.

Returns a value indicating whether this collection contains the specified column.

def contains(self, column):
    ...

Parameter	Type	Description
column	`DocumentTableColumn`	A column to look for.

Returns: bool: A value indicating whether this collection contains the specified column.

These names call contains too, limited to the overloads listed.

Alias	Accepts
`contains_file`	`contains_file(name)`
`contains_string`	`contains_string(name)`
`contains_document_table_column`	`contains_document_table_column(column)`