app/containers/ApplicationPage/actions.js
/**
 * Add a subblock to existing block
 *
 * @param {object} block The block to add subblock to
 * @param {string} subBlockType The subblock type to add
 * @param {object} subBlockProps custom props of the subblock
 *
 * @return {object} An action object with a type of ADD_SUBBLOCK
 */
Add a subblock to existing block
@param {object} block The block to add subblock to
@param {string} subBlockType The subblock type to add
@param {object} subBlockProps custom props of the subblock

@return {object} An action object with a type of ADD_SUBBLOCK
Add a subblock to existing block @param { object } block The block to add subblock to @param { string } subBlockType The subblock type to add @param { object } subBlockProps custom props of the subblock @return { object } An action object with a type of ADD_SUBBLOCK
function addSubBlock(block, subBlockType, subBlockProps) {
  return {
    type: ADD_SUBBLOCK,
    block,
    subBlockType,
    subBlockProps,
  };
}
function addSubBlock ( block , subBlockType , subBlockProps ) { return { type : ADD_SUBBLOCK , block , subBlockType , subBlockProps , } ; }
Add a subblock to existing block
 @param {object} block The block to add subblock to
 @param {string} subBlockType The subblock type to add
 @param {object} subBlockProps custom props of the subblock
Add a subblock to existing block @param { object } block The block to add subblock to @param { string } subBlockType The subblock type to add @param { object } subBlockProps custom props of the subblock