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Single line text inputs are <input type="text"> controls. Single line text inputs are the most common input field and allow the user to provide values for different data types.

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Binding Text Input to a Process Variable

A text input can be bound to a process variable using the cam-variable-type and cam-variable-name directives: 
<input type="text"
       cam-variable-name="CUSTOMER_ID"
       cam-variable-type="String" />
In the example above, the text input field is bound to the variable named CUSTOMER_ID of type String.

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Supported Variable Types for Text Inputs

A text input field supports multiple variable types.
Binding to existing variables: Note that if you bind the input field to an existing variable, the type of the variable is provided by the process engine and the cam-variable-type directive is not required.

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String

To bind the input field to a String variable, the directive cam-variable-type="String" must be used. Example: 
<input type="text"
       cam-variable-name="CUSTOMER_ID"
       cam-variable-type="String" />
Trimming: Note that the value of the String variable is trimmed before it is submitted to the process engine: leading and trailing whitespace is removed.

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Integer

To bind the input field to a Java Integer variable, the directive cam-variable-type="Integer" must be used. Example: 
<input type="text"
       cam-variable-name="CUSTOMER_AGE"
       cam-variable-type="Integer" />

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Long

To bind the input field to a Java Long variable, the directive cam-variable-type="Long" must be used. Example: 
<input type="text"
       cam-variable-name="CUSTOMER_REVENUE"
       cam-variable-type="Long" />

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Short

To bind the input field to a Java Short variable, the directive cam-variable-type="Short" must be used. Example: 
<input type="text"
cam-variable-name="CUSTOMER_REVENUE"
cam-variable-type="Short" />

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Double

To bind the input field to a Java Double variable, the directive cam-variable-type="Double" must be used. Example: 
<input type="text"
cam-variable-name="CUSTOMER_REVENUE"
cam-variable-type="Double" />